Key terms in matter: atoms, elements, compounds, molecules, pure substances, mixtures

Flashcards covering key terms and definitions related to atoms, elements, compounds, molecules, pure substances, and mixtures.

What is an atom?

An ______ is the simplest particle of an element that can exist on its own in a stable environment.

What is an element?

An _________ is a substance made from only one type of atom.

What is a compound?

A _________ is a substance made from two or more elements that are chemically combined.

What is a molecule?

_________ form when two or more atoms form chemical bonds with each other. it doesn’t matter if the atoms are the same or different from each other.

What is a pure substance?

A ___________ contains only one element or one compound.

What is a mixture?

A _______ contains two or more substances that have not reacted with each other.