Atoms, Elements, Molecules & Compounds

Front

What is a molecule?

Back

A molecule is two or more atoms bonded together.

Front

What is an element?

Back

An element is a substance that cannot be broken down by physical or chemical means.

Front

What is a compound?

Back

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

Front

Is water an element?

Back

No, water is not an element; it is a compound made of hydrogen and oxygen.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded.

Front

Can elements be broken down into simpler substances?

Back

No, elements cannot be broken down into simpler substances.

Front

What is carbon dioxide (CO2)?

Back

Carbon dioxide is a compound made of carbon and oxygen atoms.

Front

What is the smallest unit of an element?

Back

The smallest unit of an element is an atom.

Front

What is a solution?

Back

A solution is a homogeneous mixture where one substance is dissolved in another.