Naming and Writing Ionic and Covalent Compounds

Name this formula: 
Al₂O₃

• Aluminum Oxide
• Aluminum Oxygen
• Antimony Oxide
• Aluminum (VII) Oxide

Name this compound. 
N₂O

• Dinitrogen monoxide
• Dinitrogen oxide
• Nitrogen oxide
• Nitrogen dioxide

Name this compound
PH₃

• triphosphorus trihydride
• Phosphorus hydride
• Trihydrogen monophosphide
• Phosphorus trihydride

Name this compound.
K₂S

• dipotassium sulfide
• potassium sulfide
• potassium sulfate
• potassium sulfite

Among the following, which combination would be most likely to form an ionic compound? 

• N and Br
• S and Cl
• Na and I
• H and O 

What is the chemical formula for Aluminum hydroxide

• AlOH
• AlOH₃
• Al(OH)₃ 
• AlHO

What is the formula for  Barium nitrate

• BaNO₃
• Ba(NO₃)₂
• Be(NO₃)₂
• Be₂NO₃

potassium iodide

• KI
• KI₂
• K₂I
• KI₃

Calcium chloride

• CaCl
• Ca₂Cl
• CaCl₂
• CACl

aluminum bromide

• Al₂O₃
• Al₂Br₃
• AlBr₃
• Al₃Br