Question

1. 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.

$o2 is the formula for oxygen molecule$

Answer 2

Answer:

An atom is the smallest particles of an element having the same chemical properties as the bulk element. the first accurate theory explaining the nature of matter was dalton atomic theory: 1 all matters is composed of atoms and atoms are indivisible and indestructible. the formula of oxygen molecules are O2.