SHB Chemistry

An ionic bond typically occurs between a metal, which tends to lose electrons, and a nonmetal, which tends to gain electrons.

• True

• False

The oxygen atom in a water molecule (H₂O) has four lone electrons in its Lewis structure.

• True

• False

A non polar covalent bond is formed between hydrogen and chlorine.

• True

• False

The difference in electronegativity between sodium and chlorine is 4.5, which means an ionic bond is formed.

• True

• False

Valence bond theory explains that atomic orbitals overlap to form covalent bonds.

• True

• False

VSEPR theory predicts the three-dimensional shape or geometry of molecules.

• True

• False

Carbon’s tetravalency explains why CH₅ cannot exist.

• True

• False

Hydrocarbons are mainly composed of carbon and hydrogen.

• True

• False

In the formation of CaCl₂, calcium accepts electrons from chlorine.

• True

• False

The f orbital has the highest capacity for electrons.

• True

• False