Question

Atomic number describes which of the following?

Answer 1

Answer:

The correct answer is option C.

Explanation:

Atomic weight is defined as sum of protons and neutrons present in the nucleus of an atom of the particular element.It is denoted by A.

Atomic number is defined as total number of protons present in the nucleus of an atom of the particular element. It is denoted by Z.

For an element say with X symbol both atomic weight and number are denoted by: $^{Z}_{A}X$.

Answer 2

The answer is D hope this helps