Ionic Compound Test

What is the name of the compound Mg₃N₂?

• manganese (II) nitride

• magnesium nitride

• magnesium nitrogen

• magnesium (II) nitride

What is the formula for beryllium iodide?

• Be₂I

• BeI

• BeI₂

• BI₂

The charge on a barium ion in its ionic compounds is

• 1+
• 2+
• 3+
• 4+

The chemical formula for an ionic compound of potassium and oxygen is

• KO.
• K₂O.
• K₂O₂.
• KO₂.

How many valence electrons does a bromine atom have?

• 1
• 2
• 6
• 7

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

• AlO
• Al₂O₃
• Al₃O₆
• Al₃O₂

If an element has 3 valence electrons, what charge will likely form on its ion?

• +3

• +5

• -3

• -5

What is the formula and name of the compound formed by sodium and sulfur?

• Na₂S; sodium sulfide

• NaS; disodium sulfide

• Na₂S; sodium (I) sulfide

• NaS; sodium sulfur

Which of these is NOT a polyatomic ion?

• OH^-

• CO₃^2-

• PO₄^3-

• Cl^-

• ClO₄^-

The name of FeCl₂ is

• iron chloride

• iron (II) chloride

• iron (I) chloride

• iron dichloride