Ionic Formula

How do potassium and nitrogen bond together?

• KN

• KN₃

• K₃N₃

• K₃N

Tags

NGSS.MS-PS1-1

What is the correct ionic formula for sodium chloride?
Sodium = Na
Chlorine = Cl

• Na₁Cl₁

• Na₁Cl₂

• Na₂Cl

• NaCl

The chemical formula for an ionic compound of potassium and oxygen is

• KO.

• K₂O.

• K₂O₂.

• KO₂.

Tags

NGSS.MS-PS1-1

The formula of this atom when it becomes an ion would be

• N^-2

• N⁺³

• N^-3

• N⁺²

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

What would be the proper chemical formula for combining Al³⁺ and l^- :

• Al l₃

• Al₃l

• Al l

• Al₃ l₃

Tags

NGSS.MS-PS1-1

What is the correct formula for lithium sulfide?
Lithium = Li
Sulfur = S

• LiS

• Li₂S

• LiS₂

• Li₂S₁

Tags

NGSS.MS-PS1-1

What is the correct formula for aluminum sulfide?
Aluminum = Al
Sulfur = S

• AlS

• AlS₃

• Al₂S

• Al₂S₃

Tags

NGSS.MS-PS1-1

What is the correct formula for barium sulfide?

• BaS

• BaS₂

• Ba₂S

• Ba₂S₃

Tags

NGSS.MS-PS1-1

What is the correct formula for potassium oxide?
Potassium = K
Oxygen = O

• KO

• KO₂

• K₂O

• K₃O₂

Tags

NGSS.MS-PS1-1

What is the correct formula for calcium iodide?

• CaI

• CaI₂

• Ca₂I

• Ca₂I₃

Tags

NGSS.MS-PS1-1