Atoms, Elements, Molecules, Compounds

Front

What is an atom?

Back

The smallest unit of an element, consisting of protons, neutrons, and electrons.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means, made up of only one type of atom.

Front

What is a molecule?

Back

A group of two or more atoms bonded together, which can be of the same or different elements.

Front

What is a compound?

Back

A substance formed when two or more different elements bond together in a fixed ratio.

Front

What is a crystal?

Back

A solid material whose atoms are arranged in a highly ordered, repeating pattern.

Front

What are subatomic particles?

Back

Particles that are smaller than atoms, including protons, neutrons, and electrons.

Front

How do molecules and compounds differ?

Back

Compounds consist of atoms from different elements, while molecules can consist of the same or different elements.

Front

What is the relationship between atoms and elements?

Back

Elements are made up of only one type of atom.

Front

What is the smallest unit of a compound?

Back

A molecule.

Front

Can a molecule be made of the same type of atoms?

Back

Yes, a molecule can consist of two or more atoms of the same element.