isabella0727 isabella0727

11-05-2021
Chemistry

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For Al, its atomic number is 13 and its mass number is 27. How many neutrons does it have?
OA 13
OB. 14
OC 26
OD. 27
O E 40

Respuesta :

jimenar057 jimenar057

11-05-2021

Answer:

14...................

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sss2006 sss2006

11-05-2021

B. 14

Atomic mass is the addition of protons and neutrons. Atomic number is protons. If we subtract atomic number from mass, we get neutrons

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