Atoms, Elements, Molecules and Compounds

The most pure substances that can be found, made of only one type of atom

• element

• atom

• molecule

• compound

What do we call a substance composed of atoms of a singular type?

• atom

• molecule

• element

• compound

Which term represents the particle that is formed when 2 or more atoms come together as one?

• molecule

• atom

• element

• compound

Tags

NGSS.MS-PS1-1

Every compound is a molecule and every molecule is a compound.

• True

• False

Tags

NGSS.MS-PS1-1

What is sugar? (C₆H₁₂O₆)

• compound

• element

• mixture

• atoms

Tags

NGSS.MS-PS1-1

Carbon is considered an element, while carbon dioxide is a compound. This is because carbon dioxide is -

• a gas at room temperature

• it is made of two different elements

• given off by green plants

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• molecules of an element

• molecules of a compound

• particles of a mixture

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• molecules of an element

• molecules of an compound

• particles of a solution

This is the smallest unit of an element.

• atom

• molecule

• compound

• nucleus

Tags

NGSS.MS-PS1-1

Atoms combine to form _______. 

• electrons
• molecules
• nuclei
• neutrons

Tags

NGSS.MS-PS1-1