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25-01-2017
Chemistry

contestada

How many neutrons are in an atom with the atomic number of 15 and an atomic mass number of 34?
? 19
? 15
? 34

Respuesta :

yashddsy26 yashddsy26

25-01-2017

so neutrons = mass number - proton number

therefore , 34-15 = 19

so the answer is 19 !

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