Molecules and Compounds

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are elements?

Back

Elements are pure substances made of only one type of atom.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements chemically combine.

Front

What is the chemical formula for methane?

Back

The chemical formula for methane is CH₄.

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 chemically bonded together.

Front

What is carbon dioxide?

Back

Carbon dioxide (CO₂) is a compound made of carbon and oxygen.

Front

Where are protons located in an atom?

Back

Protons are located in the nucleus of an atom.

Front

What is the atomic number?

Back

The atomic number tells you how many protons are in each atom of a specific element.

Front

What is the atomic mass?

Back

The atomic mass is the weighted average mass of an element's isotopes.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.