Writing Formulas with Polyatomic Ions

Q1. What is the correct name for this polyatomic ion: ClO^–

• hypochlorite

• chlorite

• chlorate

• perchlorate

What is the correct name for this polyatomic ion: CN^–

• carbonate

• chromate

• Cyanide

• Chromite

What is the correct name for this polyatomic ion: OH^–

• hydrogen carbonate

• oxonium

• hydroxide

• acetate

What is the correct name for this polyatomic ion: NO₃^–

• carbonate

• hydroxide

• nitrite

• nitrate

What is the correct formula for aluminum hydroxide?

• AlOH

• Al₂(OH)₃

• Al₃(OH)₂

• Al(OH)₃

• Al(OH)₂

Tags

NGSS.MS-PS1-1

Be careful with this question.....
SO₄ ^-2  and  Al ⁺³

• (SO₄)₃Al₂
• (SO₄)₂Al₃
• Al₃SO₄
• Al₂(SO₄)₃

Tags

NGSS.HS-PS1-7

Write the formula for Ammonium hydroxide. (careful we have two poly's)

• NH(OH)₄

• NH₄OH

• OHNH₄

• correct answer not given

What is the correct formula for ammonium phosphide?

• (NH₄)₃P

• (NH₄)₃PO₄

• NH₄PO₄

• (NH₄)₂(PO₄)₃

What is the correct formula for Calcium Phosphate?

• Ca₃PO₄₂

• Ca₂(PO₄)₃

• CaPO₄

• correct answer is not given

What is the formula for Sodium Nitrate?

• NaN

• NaN₂

• Na(NO₃)₂

• NaNO₃

• SN