Writing Formulas for Polyatomic Compounds

Name the following ionic compound: MgSO₄

• magnesium sulfoxide
• magnesium sulfide
• magnesium sulfate
• magnesium oxide

Name the following ionic compound: LiNO₃

• lithium nitrate
• lithium III nitrate
• lithium nitride
• lithium oxide

What is the charge on the hydroxide ion?

• 0
• -1
• -2
• -3

The proper formula for magnesium hydroxide:

• MgOH
• Mg₂OH
• Mg(OH)₂
• Mg₂OH₂

Tags

NGSS.MS-PS1-1

When naming ionic compounds with polyatomic ions you need to use _____ if you have more than one polyatomic ion in the formula.

• the atomic number

• the mass number

• parentheses

• roman numerals

Li₂CO₃

• Ionic
• Covalent
• Polyatomic

How many atoms total are in AlPO₄?

• 4

• 5

• 6

• 7

Tags

NGSS.MS-PS1-1

How many atoms total are in NaOH?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What is the formula for sodium nitrate?

• Na₃NO
• NaNO
• Na₃NO₃
• NaNO₃

What is the formula for lithium sulfate?

• LiSO₃

• LiSO4

• Li₂SO₃

• Li₂SO4