alyssa6040 alyssa6040

29-01-2021
Chemistry

contestada

An unknown atom has 5
protons, 7 electrons and 12
neutrons.
What is........
A. The atomic mass =

Respuesta :

scruffyx56 scruffyx56

29-01-2021

Answer:

17

Explanation:

the atomic mass is away protons + neutrons, electrons are neglatable.

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