Chemistry
Chemistry, 19.11.2019 02:31, AJRo

What is the total number of neutrons in the nucleus of a neutral atom that has 19 electrons and a mass of 39?
a. 19
b.20
c.39
d.58

answer
Answers: 1

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What is the total number of neutrons in the nucleus of a neutral atom that has 19 electrons and a ma...

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