parkerpiner69 parkerpiner69

12-10-2020
Chemistry

contestada

What is the mass number of an atom containing 7 protons and 7 neutrons?

Respuesta :

trucksm trucksm

13-10-2020

Answer:

14

Explanation:

Neutrons are neutral and if there are no electrons to cancel out the protons you add the neutrons and protons together

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