francisco359743 francisco359743

23-09-2021
Chemistry

contestada

What is the number of protons plus the number of neutrons in the nucleus of an atom equivalent to?

A: average atomic mass
B: mass number
C: number of electrons
D: atomic number

Respuesta :

frehiwot00 frehiwot00

03-11-2021

Answer:

b

Explanation:

b/c proton + neutron=mass number and

mass number - proton= neutron

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