CHM 1025 Exam 2 Review (Improved)

Is hydroxide ionic or covalent (molecular)?

• Ionic

• Covalent

Which of the following options should be classified as a molecular element?

I. SO₂

II. I₂

III. Ne

• I, II, and III

• II and III only

• II only

• III only

• I only

True or False? Na₂CO₃ is an ionic compound.

• True
• False

Which compound has the highest density?

• KI

• CO₂

• SI

• C₂H₆

Which compound has the highest boiling point?

• KI

• CO₂

• SI

• C₂H₆

True or false? NaCl is a weak electrolyte.

• True
• False

This is a substance in water. Based on the picture, what type of electrolyte is this?

• Weak electrolyte

• Strong electrolyte

• Non electrolyte

This is a substance in water. What type of electrolyte is this?

• Non electrolyte

• Strong electrolyte

• Weak electrolyte

What is the formula for chlorite?

• ClO^-

• Cl^-

• ClO₃^-

• ClO₂^-

What would be an isotope of ¹⁸Ne?

• ³⁴Ne

• ¹⁸O

• ¹⁶N

• ¹²⁹Xe