21-07-2020
Chemistry

contestada

The ___ of an element is the total number of protons and neutrons in the _ of the atom

Respuesta :

21-07-2020

Answer:

Mass number

Nucleus

Explanation:

The combined number of protons and neutrons is the mass number in atomic notation.

The atomic number is just the number of protons alone.

The nucleus holds both neutrons and protons.

Electrons circle around the nucleus.

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