Ionic Formulas

What is the formula for magnesium phosphide?

• Mg₃P₂
• Mg₂P₃
• Mg₂(PO₄)₃
• Mg₃(PO₄)₂

Write the formula for barium + nitrogen

• Ba₂N₃
• Ba₃N₂
• BaN
• BaN₃

Tags

NGSS.HS-PS1-2

The chemical formula of potassium iodide is

• KI
• PI
• KI₂
• K₂I

Tags

NGSS.MS-PS1-1

What is the formula for lithium oxide?

• LiO
• LiO₂
• Li₂O
• Li₂O₃

Tags

NGSS.HS-PS1-2

What is the formula for calcium chloride

• CaCl
• CaCl₂
• Ca₂Cl
• CaCl₃

Potassium and Oxygen form ?

• PO
• KO
• K₂O
• KO₂

Tags

NGSS.HS-PS1-2

Barium and Selenium form ?

• BaSe
• Ba₂Se
• Ba₂Se₂
• BaSe₂

Tags

NGSS.HS-PS1-2

Lithium and Arsenic form ?

• LiAs
• Li₂As
• Li₃As
• Li₄As

Write the correct chemical formula for Ag ⁺  and  Br ^-

• AgBr
• silver bromide
• Ag₂Br₂
• gold bromide

Tags

NGSS.HS-PS1-2

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

• N^-2
• N⁺³
• N^-3
• N⁺²

Tags

NGSS.HS-PS1-1