contestada

Please help me with this question.. please
The ______ of an element is the number of protons and neutrons in the nucleus.

atomic mass or mass number

Respuesta :

OttisD

Answer:

Mass number

Explanation:

The mass number is equal to the number of protons and neutrons.

chasebaltimore5

Answer:

Mass number

Explanation:

because Mass number is a n equal element