Question

The symbol for atomic mass number of an element is .​

Answer 1

Answer:

The mass number (symbol A, from the German word Atomgewicht [atomic weight]), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus.

Explanation:

please mark my Brainliest

Answer 2

Explanation:

The mass number also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus.