Question

Who proposed atom as an indestructible entity?

• A. Pauli
• B. Dalton
• C. Thomson
• D. Rotherford

Answer 1

Answer: (B)

Dalton's Atomic Theory

1. All matter is made of atoms. Atoms are indivisible and indestructible.
2. All atoms of a given element are identical in mass and properties
3. Compounds are formed by a combination of two or more different kinds of atoms.

Hence, option $B$ is correct.