Phy Sci--Ch.6 Binary/Ternary Review

Which compound's name includes the Greek numerical prefixes di- and tri-?

• Al₂O₃
• Mg₃(PO₄)₂
• S₂O₃
• Cr₂S₃

Which of the following compounds contains the Fe³⁺ ion?

• FeS
• FeCl
• Fe₂O₃
• FeO

Which of the following formulas represents an ionic compound?

• CaCl₂
• C₂H₆
• N₃O₅
• SiO₂

Which formula correctly represents the compound magnesium cyanide?

• MgCN
• Mg(CN)2
• MgCN2
• Mg2CN

Tags

NGSS.HS-PS1-1

Which element, when combined with bromine, would most likely form an ionic compound?

• carbon
• nitrogen
• fluorine
• sodium

Tags

NGSS.HS-PS1-2

Which of the following is a binary compound?

• calcium phosphate
• magnesium nitride
• sodium hydroxide
• aluminum nitrate

Which formula is correctly paired with its name?

• NaCl --  sodium chlorine
• FeBr₂  --  iron (II) bromide
• P₂O₅ --  dipotassium pentoxide
• MgSO₄  --  magnesium sulfide

What is the correct name for the compound with the formula Cr₂SO₄?

• chromium (IV) sulfate
• chromium (IV) sulfide
• chromium (I) sulfate
• chromium (I) sulfide

What is the formula for calcium sulfate?

• CaS
• CaSO₄
• Ca₂S₂
• Ca₂(SO₄)₂

What is the correct chemical formula for magnesium nitride?

• MgN
• Mg₃N₂
• MgNO₃
• Mg(NO₃)₂