Formula of Ionic Compounds with Polyatomic Ions

What is the charge of a calcium ion?

• Ca²⁺

• Ca⁴⁺

• Ca⁺

• Ca³⁺

Which ion is represented by NO₃⁻?

• Nitrate

• Nitrite

• Nitrogen

• Nitride

What is the formula for calcium nitrate?

• Ca(NO₃)₂

• CaNO₃

• Ca(NO₃)

• Ca₂NO₃

Tags

NGSS.MS-PS1-1

How many nitrate ions are needed to balance one calcium ion?

• One

• Two

• Three

• Four

What is the charge of a potassium ion?

• K⁴⁺

• K³⁺

• K⁺

• K²⁺

Which ion is represented by CO₃²⁻?

• Carbonite

• Carbide

• Carbonyl

• Carbonate

What is the formula for potassium carbonate?

• K₂CO₃

• K₄CO₃

• KCO₃

• K₃CO₃

How many potassium ions are needed to balance one carbonate ion?

• Four

• Three

• Two

• One

Which of the following represents an ammonium ion?

• NH₄³⁺

• NH₄⁻

• NH₄⁺

• NH₄²⁺

Which ion is represented by SO₄²⁻?

• Sulfur

• Sulfate

• Sulfite

• Sulfide