mod 10

Of the molecules below, the bond in _______ is the most polar.

• HI

• H2

• HCl

• HF

• HBr

Which of the following is true:

• AlCl₃ is a covalent compoud

• BeS is an ionic compound

• FeO is a molecular compound

• P₁₀O₅ is an ionic compound

• HF is an ionic compound

Which of the following compounds is held together with nonpolar covalent bonds?

• KCl

• SO₂

• N₂

• Fe₂O₃

Which of the following statements is true:

• nitrogen exists as a diatomic molecule with the formula N₂

• bromine exists as a diatomic molecule with the formula Br²

• Carbon dioxide exists as a diatomic molecule with the formula CO₂

• Iodine exists as a diatomic molecule with the formula I

What causes the formation of partial charges?

• electrons in the lowers energy level

• electrons being transferred

• electrons being shared equally

• electrons being shard unequally

Which of the following groups of gases includes only actual, existing diatomic molecules

• I_2, N_2, O_2, and Cl₂

• N₂, O₂, H₂ and Xe₂

• B₂, C₂, N₂ and O₂

• N₂, Ar₂, F_2, and O₃

The electrons in bonds between aluminum and hydrogen atoms in a AlH4+ molecule are

• Equally shared, and the resulting bond is polar

• Unequally shared, and the resulting bond is polar

• Equally shared, and the resulting bond is nonpolar

• Unequally shared, and the resulting bond is nonpolar

• Transferred, and the resulting bond is ionic

Which of the following statements is TRUE when describing a NONPOLAR COVALENT BOND?

• I, III, IV

• II,V

• I,III,IV,V

• II, III,V

• I,II,III,IV,V

Which of the following statements is TRUE for both a covalent bond and an ionic bond?

• A transfer of electrons occurs in both types bonds.

• Both bond types result in the formation of separate ions.

• Both bond types result in a complete octet for all atoms involved.

• A sharing of electrons occurs in both types bonds.

Which of the following bonds would be the MOST polar?

• O-N

• N-H

• O-C

• C-H

• O-H