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In a sample of the element potassium, each atom has a. 19 protons b. 20 neutrons C. 39 protons and neutrorts d. 39 neutrons
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In a sample of the element potassium, each atom has

a. 19 protons
b. 20 neutrons
C. 39 protons and neutrorts
d. 39 neutrons

User Mjrezaee
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1 Answer

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The answer is A: 19 protons
User Zpontikas
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