Question

Define element.

• A. Can be broken down by chemical reactions into simpler substances
• B. Cannot be broken down by chemical reactions into simpler substances
• C. Maybe be broken down by chemical reactions into simpler substances
• D. Both b and c

Answer 1

Answer: (B)

A pure substance which is made up of only one kind of atom and cannot be broken into two or more simpler substances by physical or chemical means is referred to as an element. An element is homogeneous in nature; it is a pure substance, made up of only one kind of atoms. For example, iron and silver are made of only iron and silver atoms.