Summative Test for unit 2 (Single Attempt)

Which of the following compounds contains the Iron (III) ion?

• FeO
• FeCl2
• Fe2O3
• FeS

Which of the following is the correct name for S2O5?

• Sulfurous oxide
• disulfur pentoxide
• pentasulfur dioxide
• sulfate oxide

Which of the following elements form a nonpolar covalent bond?

• H-Br
• K-N
• Cl-Cl
• Ca-Cl

What would the name you would use for the second element be if you had the compound CCl4?

• tetrachloride
• tetrachlorine
• chloride
• Chloride (IV)

Which of the following formulas is not correct?

• Al2(SO4)3
• NaClO3
• Ba2O3
• Mg(ClO4)2
• K3PO3

What is the charge of the unknown atoms in the formula X2O3?

• 2
• 1
• 4
• 3

For which pair below are the name and formula correctly matched?

• Ca2O4 is dicalcium quadoxide
• AlF3 is Aluminum trifluoride
• Se3Cl5 is Triselenium pentachloride
• PF6 is monophosphoruos hexafluoride

What is the correct formula for the compound formed between Calcium and nitrogen?

• CaN
• Ca2N3
• Ca3N2
• Ca3N3

Which of the following is the correct formula for hydrofluoric acid?

• HF
• HF2
• H2F
• H3F2

The correct formula for Magnesium hypochlorite is

• Mg2ClO3
• MgClO2
• Mg(ClO3)2
• Mg(ClO)2