Question

the smallest particle of an element which always take part in chemical reaction​

Answer 1

Answer:

The basic unit of matter is the atom. It is the smallest particle of an element which can take part in chemical reactions and may or may not exist separately. It consists of sub-atomic particles, i.e., protons, neutrons and electrons.

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Answer 2

Atom are the smallest to take part in a chemical reaction, but they contain electron proton and neutrons. But neutron and protons are much massive than electrons so technically electrons are the smallest one to take part in the chemical reaction.

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