Question

1. Explain the terms a) Atomic number b) Atomic mass number​

Answer 1

Answer:

Neutral atoms of each element contain an equal number of protons and electrons. The number of protons determines an element's atomic number and is used to distinguish one element from another. ... Together, the number of protons and the number of neutrons determine an element's mass number.

Answer 2

Answer:

Atomic number: Atomic number refers to the number of protons present in an atom. ... (b) Mass number: Mass number refers to the sum of the number of protons and neutrons present in the nucleus of an atom and denoted by A Mass number = Number of protons + Number of neutrons.