revision Final Exams Chemistry term2

Which ion has a charge of +2?

• Na

• Mg

• Cl

• K

What is the chemical formula for carbon dioxide?

• CO

• CO₂

• C₂O

• C₂O₂

Which force is the weakest?

• Hydrogen bond

• Ionic bond

• Covalent bond

• metallic bond

Which compound exhibits hydrogen bonding?

• CH₄

• H₂O

• CO₂

• O₂

Which of the following is a polyatomic ion?

• Na⁺

• OH⁻

• Cl⁻

• Mg²⁺

What is the formula for ammonium nitrate?

• NH₄NO₃

• NH₃NO₄

• NH₄N

• N₂H₄O₃

What type of bond holds NH3 molecules together?

• Covalent

• Ionic

• Metallic

• Hydrogen

Which of these is a correct formula for a compound with Fe³⁺ and O²⁻?

• FeO

• Fe₂O₃

• Fe₃O₂

• Fe₂O

Which of the following bulk properties of substances are affected by intermolecular forces?

• ductility

• luster

• malleability

• melting point

Which of the following statements about volatility are true?

• Volatility is a measure of how easily a liquid evaporates.

• Volatility is a measure of how easily a liquid condenses.

• Volatility is a measure of how easily a liquid melts.

• Volatility is a measure of how easily a liquid freezes.