Quiz: Bond Types & Properties - Part 1 – Multiple Choice

Which of the following compounds is ionic?

• H₂O

• NaCl

• CO₂

• Al

Which compound is metallic?

• Fe

• KBr

• CH₄

• HCl

Covalent bonds are usually characterized by:

• High melting points and conductivity in solid form

• Low melting points and poor conductivity

• High conductivity in solid metals

• Formation only between metals

Ionic compounds:

• Share electrons equally

• Conduct electricity when dissolved in water

• Cannot dissolve in water

• Are always gases at room temperature

Metallic bonds are responsible for:

• Flexibility and electrical conductivity of metals

• Sweet taste of sugar

• Salt dissolving in water

• Formation of CO₂

Tags

NGSS.HS-PS1-3

Identify the bond type and one property for each: Sugar (C12H22O11) → _______ | Property: _______

• Bond type: Covalent | Property: Does not conduct electricity

• Bond type: Ionic | Property: Conducts electricity

• Bond type: Metallic | Property: Malleable

• Bond type: Ionic | Property: High melting point

Tags

NGSS.HS-PS1-1

Identify the bond type and one property for each: Aluminum foil (Al) → _______ | Property: _______

• Bond type: Metallic | Property: Conducts electricity

• Bond type: Ionic | Property: Brittle

• Bond type: Covalent | Property: Poor conductor

• Bond type: Metallic | Property: Does not conduct electricity

Identify the bond type and one property for each: Baking soda (NaHCO3) → _______ | Property: _______

• Bond type: Ionic | Property: Conducts electricity when dissolved in water

• Bond type: Covalent | Property: Does not conduct electricity in water

• Bond type: Metallic | Property: Malleable and ductile

• Bond type: Hydrogen | Property: High boiling point

NaCl conducts electricity when dissolved in water but not as a solid because:

• the ions are free to move in solution but not in the solid state.

• the solid contains no ions at all.

• the water adds electrons to NaCl.

• the solid NaCl is a good conductor.

Tags

NGSS.HS-PS1-3

Compare covalent and ionic compounds in terms of: Melting point

• Ionic compounds have higher melting points than covalent compounds.

• Covalent compounds have higher melting points than ionic compounds.

• Both have similar melting points.

• Neither has a definite melting point.