comaslaz21
05.10.2021 •
Chemistry
How many neutrons are in an atom with the atomic number of 15 and an atomic mass number of 34? А. A ? 19 B В ? 2 15 C. ? 34
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Ответ:
N = M - n (mass - number)
34 - 15 = 19
So your answer is 19
Hope it helped
Ответ:
The change is called melting