Middleschool12K Middleschool12K

29-09-2021
Chemistry

contestada

What is the number of protons plus the number of neutrons equal to?

atomic charge

atomic number

atomic isotope number

mass number

Respuesta :

Nisthalimbu Nisthalimbu

01-10-2021

Answer:

mass number

Explanation:

i hope my ans is correct

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