Potassium is a metal element. These elements have one or two valence electrons, respectively. Explain that potassium has 19 protons and 19 electrons. The element is needed in large amounts by the plant. Radioactivity can be found in potassium-40, a radioactive isotope that naturally occurs. The element was first isolated by Carl Wilhelm Scheele in 1774. Normal healthy eating habits provide enough potassium. In this instance, the valency for the potassium-ion would be +1. It was first isolated from potash, the ashes of plants, from which its name derives. How many sides do 5 decagons, 3 triangles, and 4 octagons have in all? you have to know what these two terms are, so without wasting your time let's go Your email address will not be published. The valency is the number of unpaired electrons found in an elements last orbit. Because of this, the first two rows of the periodic table are labeled thes block. Explanation: For potassium, Z = 19 .and using the usual electronic configuration scheme..we get. Potassium ions have a positive charge.What happens to a potassium atom's electrons when it becomes an ion?Na+1 has 11 proton and 10 electron, 10 electrons and 10 protons will cancel eachother and because of the 1 proton left, the atom will have an net charge of +1. Potassium in nature only exists in ionic compounds. How many valence electrons does Calcium have? gas configuration) by losing one outermost electron. They contain 45-85% carnallite, 18-50% halite, small amounts of anhydrite and clay minerals. In the periodic table, the elements are listed in order of increasing atomic number Z. Electron configuration ofPotassiumis[Ar] 4s1. What number of protons, electrons, and neutrons does the potassium (K) atom contain? Glass is made from potassium carbonate. The first two columns on the left side of the periodic table are where thessubshells are being occupied. It cannot have a negative value. The core electrons are located in the innermost shells of an atom. In the periodic table, potassium is one of the alkali metals. This article discusses in detail how valence electrons work with potassium(K). The atomic number of potassium(K) is 19. Each year, mining extracts approximately 35 million tonnes. Carnallites are the most basic types of potassium sources. Chlorine is element number 17 on the periodic table. It is thePauli exclusion principlethat requires the electrons in an atom to occupy different energy levels instead of them all condensing in the ground state. Research in high-energy particle physics in the 20th century revealed that neither the neutron nor the protonis notthe smallest building block of matter. The neutron has a mean square radius of about 0.81015 m, or 0.8 fm, and it is a spin- fermion. Along with nitrogen and phosphorous potassium, it is an essential macromineral for plant survival. The total number electrons found in a valenceshell is called valence electrons. Potassium, an element in group 1, is an alkali metallic. All of the alkali metals have a single valence electron in their outermost orbital, which they readily give up to create an atom with a positive charge a cation, and combine with anions to form salts. But for this A periodic table is required to determine the atomic number. Potassium-39 is composed of 19 protons 20 neutrons and 19 electrons. Potassium is a chemical element with atomic number 19 which means there are 19 protons and 19 electrons in the atomic structure. The valence electrons for potassium (K) are the total number of electrons found in the shell following the electron configuration. It was first isolated from potash, the ashes of plants, from which its name derives. Through the sub-orbit, the electron configuration for potassium is 1s22s22p63s23p64s1. In the universe, neutrons are abundant, making upmore than halfof all visible matter. The ocean also contains potassium salts, but they are much less common than sodium. Potassium is involved in the formation bonds via its valence electron. Elemental potassium reacts vigorously with water, generating sufficient heat to ignite hydrogen emitted in the reaction, and burning with a lilac-colored flame. Rest of the in-depth answer is here. (e.g. Potassium-39 has 20 neutrons, Potassium-40 has 21 neutrons and Potassium-41 has 22 neutrons. Potassium is vital for life. 4 c. 2 d. 6 How many electrons whill each element gain or lose in forming an ion? It is easy to identify the configuration of each element. They also participate in the formation bonds. How many protons neutrons and electrons does potassium have? We have also distinguish between the possible and common oxidation states of every element. electrons in orbitals. An average person consumes 7g of potassium per day and has 140g stored in their bodies. A protonis one of thesubatomic particlesthat make up matter. Electron configuration is the arrangement of electrons on the It takes values from 1 to 8 and cannot be equal to 0. 95% of our bodys potassium can be found in this area. Thus, K+ valency is not zero like noble gas as their outermost In the periodic table, potassium is one of the alkali metals. This electron configuration indicates that the potassium atom is now in the electron configuration of argon. atom. These are the steps to determine the valence electron. one valence electronCorrect answer: Potassium has one valence electron. P, Difference between valence electrons and valency, There are four simple steps to find out the valence electrons for. Potassium-40 is composed of 19 protons, 21 neutrons, and 19 electrons. 2) You may not distribute or commercially exploit the content, especially on another website. Potassium has 19 electrons in its outermost energy level, giving it a total of 20 electrons. a. potassium b. carbon c. magnesium d. oxygen a. The atomic number for potassium(K), as shown in the periodic table is 19. Cations are elements that donate electrons to form bonds. KCl is used as a fertilizer, in medicine, in scientific applications, and in food processing, where it may be known as E number additive E508. A potassium atom contains nineteen electrons. It can be determined by the formulas of their binary compounds with hydrogen or oxygen. Interdum velit euismod in pellentesque. a. calcium b. flourine c. aluminum d. oxygen a. lose 2 b. flourine 1 c. lose 3 d. gain 2 There are 2 electrons on the first energy level 8electrons on the second level 8 electrons on the third energy level and 1 on the fourth energy level. If you are not given the Mass Number, it's best to round to the Atomic Mass to the nearest whole number. The majority of potassium is obtained in the form Potassium Chloride, (KCl), and used as fertilizer. The ocean also contains potassium salts, but they are much less common than sodium. Potassium (K) has 19 electrons in its neutral atom and therefore the potassium ion has 18 electrons and a positive charge. Hence, K is larger than K+. in the valence shell of, reached the stable (nearest inert You need to know how many protons are in potassium in order to determine the number electrons. Therefore, the short answer is, Potassium ions gain 1 electron in order to become Potassium atoms. The third step is to determine the valence. In this instance, the valency for the potassium-ion would be +1. The majority of potassium minerals can be found in igneous rocks, and they are not very soluble. Important foreign deposits include those found in the German Democratic Republic (Stassfurt), Federal Republic of Germany (Hanover, Hesse and Baden), the USA (the Carlsbad Region in New Mexico; Lake Searles, California), Canada (Saskatchewan), France (Alsace), and Italy (Sicily). How many protons electrons and neutrons are there in potassium? configuration) or[Ar]4s1(condensed configuration). The valence electron refers to the number of electrons within the shells last orbit. Atomic number of potassium atom is 19. For example, with Potassium (K) we have 39.10. These minerals make it difficult to get the metal. Sylvinite, which contains 95-98% sylvite as well as kieserite and 40-60% halite, 0.5-2.0% carbonates and anhydrite. Continue with Recommended Cookies. valency. If our kidneys malfunction, an accumulation of potassium can occur. How many protons electrons and neutrons are there in potassium? Which of these had not yet happened when this article was written? They also participate in the formation bonds. The electron configuration can be visualized as the core electrons, equivalent to thenoble gasof the preceding period, and the valence electrons (e.g. The electron configuration for potassium ion (K+) is 1s. The valence electrons for potassium (K) therefore have one. The full electronic configuration of potassium is 1s22s22p63s23p64s1. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Part 2. The potassium atom gives its valence electrons and the oxygenatom gets that electron. This gives potassium a total of 1 valence electron. Potassium-39 is composed of 19 protons 20 neutrons and 19 electrons. Atomic symbol (on Periodic Table of Elements: K) (from the Latin for alkali. The nucleus is home to protons and neutrons. It hasa positive electric charge (+1e)and a rest mass equal to 1.67262 1027kg (938.272 MeV/c2) marginally lighter than that of the neutron but nearly 1836 times greater than that of the electron. This means that we can now say that the number of electrons in the potassium (K) atom is equal to its atomic number. The p orbital can hold up to six electrons. Potassium is the ion K+ and concnetrate within cells. Potassium-41 is composed of 19 protons, 22 neutrons, and 19 electrons. What number of valence electrons does potassium (K. During bond formation, elements with 1, 2, or three electrons in their last shell donate electrons from the previous shell. This means that the total number of electrons in the potassium atom is nineteen. The element of potassium has the symbol K. The nucleus of an atom of potassium contains 19 protons and 20 neutrons. Melting point: 146.08 degrees Fahrenheit (63.38 degrees Celsius), Boiling point: 1,398 degrees Fahrenheit (1,032 degrees Celsius), Most common isotopes: K-39 (93.3 percent natural abundance), K-40 (0.0117 percent natural abundance), K-41 (6.73 percent natural abundance), Position of Potassium in the periodic table. The electron configuration for potassium-ion indicates that there are three shells to potassium ion (K+), while the last shell contains eight electrons. Valence describes The majority of potassium is obtained in the form Potassium Chloride, (KCl), and used as fertilizer. For example, the element carbon has an atomic number of 6, which means that it has six protons in its nucleus. orbital can hold a maximum of two electrons only. How did African Americans respond to increase industrialization in the United States. when a. atom loses one electron, a K+ ion is produced and thats what valency is. The full electron configuration of Potassium (K) is 1s22s22p63s23p64s1. The nucleus is home to protons and neutrons. Feel free to ask a question, leave feedback or take a look at one of our articles. This means that there are 11 core electrons in potassium. Which is more stable K or K+ Why? Permanent damage can result from skin and eye contact. The Bohr principle allows you to identify valence electrons. The difference between the number atomic masses and the number atoms is what determines the number neutrons within an element. The valence shell is the last shell after the electron configuration. How to Prevent Laptop Hinges from Breaking, 10 Global Trends That Will Affect Technology in 2022. Which is larger K or k+? The atomic number for potassium (K) is 19. The Ionic bonding is when potassium oxide (K2O), and potassium atoms form potassium oxide (K2O). For example, silicon has nine possible integer oxidation states from 4 to +4, but only -4, 0 and +4 are common oxidation states. Theconfiguration of these electronsfollows from the principles of quantum mechanics. Higher levels of exposure can lead to fluid buildup in the lungs and death. Potassium is found in vegetables, fruits, potatoes, meats, milk, and nuts. Why does potassium have 4 shells? Agricultural fertilizers consume 95% of global potassium chemical production, and about 90% of this potassium is supplied as KCl. It could be part of the main body, but then the periodic table would be rather long and cumbersome. Potassium is a chemical element with the symbol K (from Neo-Latin kalium) and atomic number 19. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Common compound of potassium is potassium chloride, which is a metal halide salt composed of potassium and chlorine. There are 19 protons and 19 electrons in Potassium. A periodic table is required to determine the atomic number. Potassium is the ion K+ and concnetrate within cells. What number of valence electrons does potassium (K +), have? This is a cost-effective way to extract potassium salts from large sources. Its primary function is to maintain osmotic pressure in cells and cell size. And since the 4s sublevel is part of the 4th energy level (n=4) you write the configuration of K as 2,8,8,1. Neutrons and protons, commonly callednucleons, are bound together in the atomic nucleus, where they account for 99.9 percent of the atoms mass. in the outermost shell of an atom (i.e. It is easy to identify the configuration of each element. is it orange tree renewable or nonrenewable? Electrons equal to protons are located in a circular shell (orbit) outside the nucleus. The electron configuration for potassium shows that the last potassium shell has only one electron. The next two will go in 2s orbital and the next six electrons will go in 2p orbital as P orbital can only hold a maximum of 6 electrons. The terms oxidation degree and valencemay not be the same, but they are numerically almost identical. means K+ has only (2+6 = 8) outermost electrons which makes it stable. The properties of an element are determined by the valence electrons. of an atom is called valence electrons, and there is only one electron present 95% of our bodys potassium can be found in this area. Due to its high degree of reactivity, pure potassium is rarely used in its elemental /metallic form. We and our partners use cookies to Store and/or access information on a device. 19 electrons in the nucleus. )both Union and Confederate? So that the valency of. How many valence electrons does Neon have? The valence shell is the last shell after the electron configuration. Fractional precipitation is the most popular method to separate these soluble salts. The element of potassium has the symbol K. The nucleus of an atom of potassium contains 19 protons and 20 neutrons. Inhaling dust and mists can cause irritation to the eyes, nose, throat, eyes, throat, lungs, and throat. John Davy, Memoirs of the Life of Sir Humphry Davy, 1836, p384 Longman. Calcium is the 20 th elements in the periodic table. The electron configuration for oxygen indicates that there are six -valence electrons. This is because, 2 electrons occupies the first energy level, 8 electrons occupies the second energy level, again 8 electrons occupies the third energy level, and the leftover 1 electron occupies the fourth energy level. 3. Evaporite deposits found in old lake bottoms and seabeds contain potassium salts. As the war progressed food became especially scarce for __ soliders (APEX)A.)UnionB.)ConfederateC. of an atom is called valence electrons, and there is only one electron present There are many methods that can be used to separate potassium salts form Na- or Mn-compounds. The eighth element in the periodic table is oxygen. Potassium, an element in group 1, is an alkali metallic. John Davy, The Collected Works of Sir Humphry Davy, Vol V, 1840, p68 Smith, Elder and Co. Cornhill. Stable Isotopes Typical Unstable Isotopes Electrons and Electron Configuration The number of electrons in an electrically-neutral atom is the same as the number of protons in the nucleus. How many neutrons are in potassium? The total number ofneutronsin the nucleus of an atom is called theneutronnumberof the atom and is given thesymbol N. Neutronnumber plusatomic numberequals atomic mass number:N+Z=A. in the valence shell ofpotassium(4s1). in outermost orbital). It should be noted that all of these decay pathways may be accompanied bythe subsequent emission ofgamma radiation. Radioactivity can be found in potassium-40, a radioactive isotope that naturally occurs. This is a cost-effective way to extract potassium salts from large sources. During which of the following steps of Marx's transition from capitalism to communism would society be completely free from a ruling class? The atomic number is the number of protons. The valence is a numerical characteristic of the ability of atoms of a given element to bond with other atoms. The ordering of the electrons in the ground state of multielectron atoms, starts with the lowest energy state (ground state) and moves progressively from there up the energy scale until each of the atoms electrons has been assigned a unique set of quantum numbers. These valence electrons are involved in the formation bonds with other elements. 2022 - Know How Community. neutral potassium, the number of protons is always equal to the number of electrons electrons for a neutral atom is always definite, it cannot be varied (more or Fluorine (F) is the 9th and first elements in the periodic table. The electron configuration for potassium shows that the last potassium shell has only one electron. Potassium is one of the alkali metals. Through the sub-orbit, the electron configuration for potassium is 1s, Calculate the total electrons and determine the valence shell. Potassium-39 has 20 neutrons, Potassium-40 has 21 neutrons and Potassium-41 has 22 neutrons. Neutrons stabilize the nucleus, because they attract each other and protons , which helps offset the electrical repulsion between protons. The mass number, or atomic mass, of potassium is 39.0983 amu at its stable state. Potassiums outermost orbital, 3s, can hold a maximum of 8 electrons. hold a maximum of 6 electrons. one electron Potassium-41 is composed of 19 protons, 22 neutrons, and 19 electrons. The proton has a mean square radius of about 0.87 1015m, or 0.87 fm, and it is a spin fermion. We know that the atomic quantity of potassium is 19, and that its atomic mass number (39.0983u) is 39. Chlorine is a pale greenish-yellow gas at room temperature. Valence electrons are the total number of electrons present 19. There are four simple steps to find out the valence electrons forpotassiumatom which are: Potassium electron configuration K (19) =1s22s22p63s23p64s1(complete The number of protons or electrons that are equal to those located outside the nucleus is called the atomic number. The abbreviated form - [Ar]4s1 - means the electron configuration of Argon (Ar) plus one electron in the 4s orbital. Metals can have a valency of 1,2 or 3 only. This combines with anions and forms salts. How many electrons are in an ion of potassium? Important step 2 This step involves the arrangement of the potassium electrons. The total number electrons found in a valenceshell is called valence electrons. They contain 45-85% carnallite, 18-50% halite, small amounts of anhydrite and clay minerals. This creates a large electrostatic repulsion between the valence electrons of adjacent atoms that forces them apart into ionic bonding, creating a giant lattice structure. The valence electrons for potassium-ion (K +), are eight, since the last shell of a potassium ion contains eight electrons. As its atomic number is 19, it has a total of 19 protons, and for Why does potassium have 4 shells? Common commercial uses of chlorine include bleach manufacture, paper pulp bleaching, water disinfection, and production of many organochlorine compounds including PVC plastic. Without an electron configuration, it is impossible to determine the valence of an electron. 1) You may use almost everything for non-commercial and educational use. It hasno electric chargeand a rest mass equal to 1.67493 1027 kgmarginally greater than that of the proton but nearly 1839 times greater than that of the electron. A potassium ion, K+ has an atomic number of 19 and a mass number of 39 So there are 19 protons and 39-19 = 20 neutrons. That is, the number of protons in the potassium (K) is 19. table. The number of electrons in each elements electron shells, particularly the outermost valence shell, is the primary factor in determining its chemical bonding behavior. There are only certain combinations of neutrons and protons, which formsstable nuclei. The configuration of these electrons follows from the principles of quantum mechanics. The valence electrons for potassium-ion (K. Potassium is involved in the formation bonds via its valence electron. I just made a acount on this and im already on level 5 , is that a bad thing? Potassium is found in vegetables, fruits, potatoes, meats, milk, and nuts. In the periodic table, potassium is one of the alkali metals. Beryllium oxide (BeO) is an important industrial compound, used in ceramics and as a coolant in nuclear reactors. Potassium is a chemical element with the symbol K (from Neo-Latin kalium) and atomic number 19. gas configuration) by losing one outermost electron. Potassium has 19 protons , 19 electrons and 20 or 21 neutrons. Potassiums first electron shell can hold a maximum of 2 electrons, and its second electron shell can hold a maximum of 8 electrons. In order to find the core electrons, you will need to use the periodic table of elements. Potassium, a chemical element with a symbol K, is one of the highly Valency (or valence) is the ability of an elements atom to join another atom in the formation of a molecule. Iron is a chemical element with the symbol Fe and atomic number 26. Copyright 2022 Periodic Table | All Rights Reserved |, Argon Protons Neutrons Electrons Electron Configuration, Scandium Protons Neutrons Electrons Electron Configuration, About 89.28% of the time (10.72% is by electron capture), it decays to calcium-40 with emission of a, Very rarely (0.001% of the time) it will decay to Ar-40 by emitting a. Valence is the ability of an atom of a chemical element to form a certain number of chemical bonds with other atoms. This continues until all of the orbitals are filled. How Tall is a Stack of 100 Pennies in Centimeters, How Old was Joey Parker in Another Cinderella Story. It is a metal that belongs to the first transition series and group 8 of the periodic table. A potassium ion, K+ has an atomic number of 19 and a mass number of 39 So there are 19 protons and 39-19 = 20 neutrons. Thus,potassiumion (K+) has eight valence electrons. The electron configuration of neutral K is1s22s22p63s23p64s1but in K+ it loses one electron, so it has a new electron configuration of1s22s22p63s23p6means K+ has only (2+6 = 8) outermost electrons which makes it stable. The first row of the periodic table (the s block) contains only two elements: hydrogen and helium. This positive potassium ion (K +) has nineteen protons, twenty neutrons, and eighteen electrons. If the total number of electrons in Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. noble gases). This electron configuration indicates that the potassium atom is now in the electron configuration of argon. outermost shells is between one to four, the atom has positive valency and if How many core electrons are there in an atom? One of these is the electron configuration. The electron configuration of neutral K is, but in K+ it loses one electron, so it has a new electron configuration of. Higher levels of exposure can lead to fluid buildup in the lungs and death. Potassium is a non metal element. Beryllium is notable for its extremely light weight and high strength. We realize that the basics in the materials science can help people to understand many common problems. How many valence electrons are in each atom? The number of electrons in each elements electron shells, particularly the outermost valence shell, is the primary factor in determining its chemical bonding behavior. In the universe, protons are abundant, making upabout halfof all visible matter. This means that it has 19 protons in its nucleus. i.e. Each electron is influenced by the electric fields produced by the positive nuclear charge and the other (Z 1) negative electrons in the atom. Permanent damage can result from skin and eye contact. In this way, potassium (K) gains the electron configuration argon and the oxygen atom gets the electronic configuration of neon. 1s22s22p63s23p64s1 .there is necessarily ONE UNPAIRED electron..the which is readily oxidized. electrons have zero valencies (i.e. This influences photosynthesis, energy production, and stomatal opening. The valence of most of the other elements is not constant. The number of electrons in an atoms outermost orbital determines how many valence electrons it has. Traces of K-40 are found in all potassium, and it is the most common radioisotope in the human body. It was first isolated in potash (the ashes of plants), from which it gets its name. Potassium is only found in ionic sodiums in nature. metals group and valency of alkali metals are always 1. In pharmaceuticals and saline drips, potassium chloride is used. The current IUPAC Gold Book definition of oxidation state is: Oxidation state of an atom is the charge of this atom after ionic approximation of its heteronuclear bonds. For example, carbon has nine possible integer oxidation states from 4 to +4. Euismod nisi porta lorem mollis. If there are too many or too few neutrons for a given number of protons, the resulting nucleus is not stable and it undergoesradioactive decay. The properties of an element are determined by the valence electrons. The Cookies Statement is part of our Privacy Policy. Total number of protons in the nucleus is called theatomic numberof the atom and is given thesymbol Z. These can easily be recovered with potassium salts. This step involves the arrangement of the potassium electrons. This means that neutron number (n) = atomic mass (A) + atomic number (Z). Cations are elements that donate electrons to form bonds. How many valence electrons does Carbon have? We can also find the valency ofpotassiumwith the help of a periodic table. The first two electrons will go in the 1s orbital as S orbital can hold a maximum of two electrons only. Other potassium salts, such as the nitrate and carbonate, chloride bromide, cyanide, sulfate, and bromide are also of great importance. There are many different ways to find out the valency of an All of the alkali metals have a single valence electron in their outermost orbital, which they share with their similarly electrically charged group 1 elements: sodium (Na), lithium (Li), rubidium (Rb), caesium (Cs), and francium (Fr). document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Vim in meis verterem menandri, ea iuvaret delectus verterem qui, nec ad ferri corpora. This article discusses in detail how valence electrons work with potassium(K).Flaky white potassium oxide forms quickly when exposed to atmospheric oxygen. Elemental potassium reacts vigorously to water, producing enough heat to ignite hydro, which is then burned with a flame- color. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. This fact has key implications for the building up of the periodic table of elements. Now we Potassium plays an important part in the human bodys fluid system and aids nerve function. The valence electrons for potassium (K) are the total number of electrons found in the shell following the electron configuration. Nineteen protons are found in potassium. possess both positive and negative valency and atoms having eight outermost The periodic table contains the atomic numbers of the potassium (K) elements. Inhaling dust and mists can cause irritation to the eyes, nose, throat, eyes, throat, lungs, and throat. How many electrons in a potassium atom have l = 0 as one of their quantum numbers? Potassium (K) atom has 19 electrons.Electron configuration of atoms. The atomic number of potassium is 19 and its electronic configuration is 2,8,8,1; The outermost shell is the valence shell and the electrons in the outermost shell are valenced electrons; As potassium has 1 electron in the valence shell, the number of valence electrons is 1. The number of protons in a potassium atom is called the atomic number. When we write the configuration we'll put all 19 electrons in orbitals around the nucleus of the Potassium atom. It is essential for soil health, plant growth, and animal nutrition. Fractional precipitation is the most popular method to separate these soluble salts. We will now learn how to identify the valence electrons for potassium (K). orbitals. This makes beryllium a relatively reactive element; it readily forms compounds with other elements, especially oxygen. Manage Settings What noble gas atom has the same number of electrons as a potassium i. Potassium-39 is composed of 19 protons, 20 neutrons, and 19 electrons. Potassium's uses: It is mixed with Chlorine to make Potassium Chloride or KCl which is a fertilizer. The electron configuration for potassium ion (K+) is 1s22s22p63s23p6. Mass numbers of typical isotopes of Potassiumare39; 41. Of these, 4 are valence electrons in the 2s orbital and 18 are core electrons in the inner energy levels. We will now learn how to identify the valence electrons for potassium (K). How many neutrons are in potassium? The difference between the number atomic masses and the number atoms is what determines the number neutrons within an element. Knowledge of theelectron configurationof different atoms is useful in understanding the structure of the periodic table of elements. Potassium has 19 protons, 19 electrons and 20 neutrons.
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how many electrons in potassium