Question

what is The smallest particle of an element? write The formula of an oxygen molecule​

Answer 1

Answer:

An atom is the smallest particle of an element, having the same chemical properties as the bulk element. The first accurate theory explaining the nature of matter was Dalton's Atomic Theory: 1. All matter is composed of atoms, and atoms are indivisible and indestructible.

Explanation:

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Answer 2

Answer:

Atom

Explanation:

An atom is the smallest unit of matter that retains all of the chemical properties of an element.