Atoms, Elements, and Molecules Explained

What is matter?

• Anything that occupies space and has mass

• Only solids and liquids

• Only gases

• Only elements

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

What does the periodic table list?

• 118 types of elements

• Only compounds

• All types of matter

• All known molecules

What symbol is used for gold in the periodic table?

• Ag

• G

• Go

• Au

What is a molecule?

• Two or more atoms bonded together

• A type of element

• A combination of any two atoms

• A single type of atom

Tags

NGSS.MS-PS1-1

What is the formula for water?

• O2

• CO2

• H2O

• HO

Tags

NGSS.MS-PS1-1

Is water an element?

• No, it's a mixture

• No, it's a molecule

• Yes

• No, it's a compound

Which of the following is not an element?

• Oxygen

• Copper

• Water

• Gold

How many atoms of oxygen are in a molecule of water?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What makes up a compound?

• Any two elements mixed together

• Atoms of different elements in a fixed ratio

• Molecules of the same type

• Atoms of the same element

Tags

NGSS.MS-PS1-1

What is the chemical composition of carbon dioxide?

• C2O

• O2C

• CO2

• CO

Tags

NGSS.MS-PS1-1