Urboyspeedy Urboyspeedy

18-09-2020
Chemistry

contestada

1
What is the sum of all the protons and neutrons in an atom?

Respuesta :

YourDailyHelper YourDailyHelper

18-09-2020

Answer:

Mass number.

Explanation:

The sum of the number of protons and neutrons in an atom is called the mass number.

For example: Carbon-12 has 12 protons and 12 neutrons.

- Sophia

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