Formulas of Ionic Compounds

Fe ⁺²  and  SO₄ ^-2

• FeSO₄
• Fe₄(SO₄)₂
• FeSO₂
• correct answer is not given

Tags

NGSS.HS-PS1-2

What ionic compound is formed from the following ions?

SO₄ ^-2  and  Al ⁺³

• (SO₄)₃Al₂

• (SO₄)₂Al₃

• Al₃SO₄

• Al₂(SO₄)₃

Tags

NGSS.HS-PS1-3

What is the formula for the compound that forms when sodium bonds with carbonate?

• NaCO₃

• Na₃(CO₃)₂

• Na₂(CO)₃

• Na₂CO₃

Tags

NGSS.MS-PS1-1

Identify the ions in calcium sulfate.

• Ca²⁺, SO₄^2-

• Ca, SO₄

• Ca⁺, SO₄^-

• Ca²⁺, SO₄^-

What is the formula for manganese(III) oxide?

• MgO

• MnO

• Mg₂O₃

• Mn₂O₃

Tags

NGSS.MS-PS1-1

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

• LiO

• LiO₂

• Li₂O

• Li₂O₂

Tags

NGSS.MS-PS1-1

Which of the following combinations would need roman numerals in the name?

• boron + iodine

• potassium + fluorine

• beryllium + oxygen

• iron + oxygen

• sodium + chlorine

What is the correct formula for magnesium oxide?

• MgO

• MgO2

• Mg2O2

• Mg2O

Tags

NGSS.MS-PS1-1

What is the correct name for the compound PbO?

• lead oxide

• lead (I) oxide

• lead (II) oxide

• lead hydroxide

What is the correct chemical formula for ammonium carbonate?

• (NH₄)₂(CO₃)₂

• (NH₄)₂CO₃

• NH₄(CO₃)₂

• NH₄CO₃