stephenlenoard stephenlenoard

14-12-2020
Chemistry

contestada

In each of the symbols above, what does the bottom number tell us?

Respuesta :

randallchisholm randallchisholm

14-12-2020

Answer:

mass

Explanation:

The total mass is located at the bottom, right underneath the symbol of the element. The mass is the sum of both the protons and neutrons for both are equivalent in mass whereas the electrons have almost no mass at all.

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