pH Scale & Chemical Equations: Counting Atoms

How many TOTAL atoms are in one molecule of oxygen gas (O₂)

• 0

• 1

• 2

• 3

Tags

NGSS.MS-PS1-1

How many TOTAL atoms are in one molecule of nitrogen gas (N₂)

• 0

• 1

• 2

• 3

Tags

NGSS.MS-PS1-1

How many TOTAL atoms are in one molecule of ammonia (NH₃)

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many nitrogen atoms are in one molecule of ammonia (NH₃)

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

On the pH scale, acidity _________ as you get closer to 0.

• Increases

• Decreases

On the pH scale, basicity _________ as you get closer to 8.

• Increases

• Decreases

A substance with a pH of 7 is considered _________.

• an acid

• a base

• neutral