Question

According to Dalton’s atomic theory the smallest particle which can exist independently is–
(A) An atom
(B) A molecule
(C) A cation
(D) An anion

Answer 1

An atom is the correct answer.

Answer 2

According to Dalton’s atomic theory the smallest particle which can exist independently is an atom.

An atom is the smallest unit of matter that has the properties and forms a molecule. In the middle It is composed of a nucleus. Around them are a series of outer shells occupied by electrons. The nucleus is composed of protons and neutrons and is at the center of an atom. The last shell is called the valence shell.