Writing Ionic Formulas

Potassium and Sulfur create...

• KS

• KS₂

• K₂S

• K₂S₂

How do potassium and nitrogen bond together?

• KN
• KN₃
• K₃N₃
• K₃N

How do the following two elements bond together?
Al³⁺  O^2-         

• AlO
• Al₂O₃
• Al₃O₆
• Al₃O₂

Write the formula for barium + nitrogen

• Ba₂N₃

• Ba₃N₂

• BaN

• BaN₃

What is the FORMULA for...
calcium arsenide

• Ca₃As₂
• CaAs₂
• Ca₃As
• Ca₃Ar₂

What is the correct formula for the compound, lithium oxide?

• LiO
• Li₂O
• LiO₂
• Li₂O₂

The formula for Magnesium phosphide is:

• Mg₃(PO₄)₂

• MgP

• MgPO₄

• Mg₃P₂

What is the correct formula for Sodium Oxide?

• NaO
• NaO₂
• Na₂O
• Na₂O₂

What is the stable chemical formula for the compound magnesium chloride?

• MgCl

• MgCl₂

• Mg₂Cl

• Mg₃Cl₂

When naming ionic compounds, the cation is always named first and the anion is always named second.

• False
• True