Elements, Compounds, Atoms, and Molecules

Front

What is the smallest particle of any element that still has the properties of that element?

Back

An atom.

Front

What is a compound?

Back

A substance formed by the reaction of two or more elements.

Front

What does a mixture of two compounds look like?

Back

A diagram showing a combination of two different compounds.

Front

What is hydrogen represented by in the periodic table?

Back

The chemical symbol H.

Front

How is hydrogen best described?

Back

Hydrogen is an element made of only one kind of atom.

Front

What are carbon and hydrogen in terms of chemical classification?

Back

Carbon and hydrogen are elements.

Front

What is methane (CH4)?

Back

Methane is a compound formed from carbon and hydrogen.

Front

What is the difference between an element and a compound?

Back

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

Front

Can a compound be broken down into simpler substances?

Back

Yes, compounds can be broken down into their constituent elements through chemical reactions.

Front

What is a mixture?

Back

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