#119 (Q) Element Compound Mixture

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together in a fixed ratio.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

Front

Give an example of an element.

Back

Oxygen (O) is an example of an element.

Front

Give an example of a compound.

Back

Water (H2O) is an example of a compound.

Front

Give an example of a mixture.

Back

Air is an example of a mixture, as it contains various gases like nitrogen, oxygen, and carbon dioxide.

Front

What distinguishes a compound from a mixture?

Back

A compound has a fixed composition and specific properties, while a mixture retains the properties of its individual components and can vary in composition.

Front

Can elements be broken down into simpler substances?

Back

No, elements cannot be broken down into simpler substances by chemical means.

Front

What is the smallest unit of an element?

Back

The smallest unit of an element is an atom.

Front

What is the smallest unit of a compound?

Back

The smallest unit of a compound is a molecule.