Question

1.What is an atom?
2.What is molecules ?
3What is compound????​

Answer 1

Answer:

ATOM-an atom is the smallest particle of an element which can take part in reaction and consider as basic unit of an element

Explanation:

Molecules- An molecule is the smallest particle of an substance that can normally exist separately and retain the characteristics of the substance

Compound- Is an pure substance it is formed by the combination of two or element that combine together in a fixed ratio

Answer 2

1. atom is a particle of matters that characterizes a chemical eliment
2. compound is substance that is made more than one element
3. group of atoms bonded together ,representing smallest fundamental unit of chemical compound that can take part in a chemical reaction