Bonding Review

When electrons are transfered from cations to anions a ________ bond is formed

• Polar covalent
• Nonpolar covalent
• Ionic
• Metallic

When electrons are shared a ________ bond is formed

• Ionic
• Covalent
• Metallic

If atoms that are sharing electrons have an unequal attraction for the electrons it is a ____

• Ionic bond
• Nonpolar covalent bond
• Polar covalent bond
• Metallic bond

Of these 3 molecules, which has polar covalent bonding?

• O₂
• NaI₂
• HBr
• MgO

Which of these molecules is nonpolar?

• O₂
• H₂O
• HBr
• NI₃

Which of these molecules is polar?

• H₂O
• BBr₃
• I₂
• MgI₂

In the HCl molecule which atom would have a slightly negative charge?

• H
• Both
• Cl
• Neither

Which of these represents a formula unit?

• I₂
• AlCl₃
• NH₃
• CO

Which of these represents a molecule?

• NaCl
• MgBr₂
• CaO
• NH₃

Which of these has the highest boiling point?

• PH₃
• CH₄
• NaCl
• CO₂