Chemistry, 04.12.2020 06:10, zoey130

Jenny knows that the atomic number of the element potassium, K, is 19. She also knows that the average atomic mass can be used to find out how many neutrons
are in most atoms of an element. If the average atomic mass of potassium is
39.098, how many neutrons are found in most atoms of potassium?
A. 19
B. 20
C. 39
D. 40

Answers: 3

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Jenny knows that the atomic number of the element potassium, K, is 19. She also knows that the aver...