Covalent Bonding Quiz

What does the prefix 'Co' in covalent bonding signify?

• Transfer of electrons

• Sharing of electrons

• Loss of electrons

• Gain of electrons

Which of the following is a property of molecular compounds?

• Low melting points

• Conduct electricity

• High melting points

• Dissolve easily in water

Why do most molecular compounds not conduct electricity?

• They are non-conductors

• They dissolve in water

• They have free electrons

• They have high melting points

What is a characteristic of polyatomic ions?

• They are always positively charged

• They do not form ions

• They are held together by ionic bonds

• They share electrons within the ion

In calcium hydroxide, what type of bond exists between calcium and hydroxide?

• Covalent bond

• Ionic bond

• Metallic bond

• Hydrogen bond

Which compound is an example of a covalently bonded molecule?

• Fe2O3

• NaCl

• CuCl2

• H2O

What type of bond is present in sodium chloride (NaCl)?

• Covalent bond

• Ionic bond

• Metallic bond

• Hydrogen bond

Which of the following compounds contains both ionic and covalent bonds?

• LiOH

• NaCl

• CO2

• H2O

What type of bond is found in carbon dioxide (CO2)?

• Covalent bond

• Ionic bond

• Metallic bond

• Hydrogen bond

Which compound is an example of an ionic bond?

• CO2

• CuCl2

• H2O

• C6H12O6