Question

The value $6.023\mathrm{x}{10}^{23}$ is also called

• A. Mass number
• B. Dalton's number
• C. Avogadro's number
• D. Atomic number

Answer 1

The correct option is C

Avogadro's number

Explanation for the correct option:

Option C:

1. Avogadro's number represents the number of units present in one mole of any substance.
2. It is a constant and has value of $6.023\mathrm{x}{10}^{23}$.

Explanation for the incorrect options:

Option A: Mass number is the sum of protons and neutrons in the nucleus. It varies from atom to atom.

Option B: Dalton's number is the total number of nucleons in an atom.

Option D: Atomic number is the number of protons in an atom.

Hence, the value $6.023\mathrm{x}{10}^{23}$ is also called , option (c) i.e Avogadro's number.