Atomic, Ionic and Molecular Solids Practice Problems

Which of the following is a kind of crystalline solid and its example?

i. Molecular solid; graphite

ii. Covalent network solid; naphthalene

iii. Metallic solid; iron

iv. Ionic solid; cesium bromide

v. Dipole solid; ice

Classify each of the given solids as molecular, ionic, or atomic: Br₂(s), SO₂(s), MgCl₂(s), Cu(s)

Identify the number of molecular solids among the compounds below.

GaSb; Cu; FeO₃; CaO₂; glass; sapphire; rust; methane; benzene; Teflon.

Identify which statement is true.

Complete the statement below: 

_______ solids have low melting points and are poor conductors of heat and electricity. 

Complete the statement below: 

_______ solids, like table salt, have very high melting points and brittleness and are poor conductors in the solids state.