Question

Can an atom be broken down into a simpler substance? If so, what?

Answer 1

elements cannot be broken down into a simpler substance.

Step-by-step explanation:

chemical elements are the simplest of substances.

Answer 2

An atom is the smallest unit of a pure substance or element that can exist and still retain the properties of the original substance or element. Common substances, such as air, water, wood and cloth are mixtures of materials and can be chemically or physically broken down into simpler substances.