Mrs. Tarian Science Test Review

Front

What is a compound molecule?

Back

A compound molecule is a substance formed when two or more different types of atoms bond together chemically.

Front

Give an example of a compound molecule.

Back

Salt (sodium chloride) is an example of a compound molecule.

Front

What is the most common oxygen molecule composed of?

Back

The most common oxygen molecule consists of two oxygen atoms joined together.

Front

What type of bond joins atoms in a molecule?

Back

Atoms in a molecule are joined together by chemical bonds.

Front

What is water classified as?

Back

Water is classified as a compound molecule.

Front

What are atoms considered in relation to matter?

Back

Atoms are considered the basic units of everything around us.

Front

What is the majority composition of oxygen in Earth's atmosphere?

Back

The majority of oxygen found in Earth's atmosphere consists of oxygen molecules.

Front

What is the difference between an element and a compound?

Back

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

Front

What is a molecule?

Back

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

Front

What is the role of chemical bonds in molecules?

Back

Chemical bonds hold the atoms together in a molecule, determining its structure and properties.