Physics, 09.12.2020 22:50 genyjoannerubiera
How many electrons are in an element with an atomic number of 20 and an atomic mass of 40? options: ANSWER FOR BRAINLIES
A. 40
B. 20
C. 60
D. 0
Answers: 2
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How many electrons are in an element with an atomic number of 20 and an atomic mass of 40? options:...
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