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The atomic number and mass number for calcium-39 are 20 and 39, respectively. How many neutrons are ...

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The atomic number and mass number for calcium-39 are 20 and 39, respectively. How many neutrons are ...

The atomic number and mass number for calcium-39 are 20 and 39, respectively. How many neutrons are in one atom?
A) 1
B) 19
C) 20
D) 39
E) 59

Textbook

College Physics

College Physics

Edition: 1^st

Authors: Etkina, Gentile, Van Heuvelen

Read 118 times

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