State of Matter: Solid

Which of the following describes the structure of solid iodine?

• Giant covalent

• Simple molecular

• Giant ionic

• Metallic

Which of the following solids consists of a continuous network of covalent bonds?

• Diamond

• Copper

• NaCl

• Ice

Which of the following solids has the lowest melting point?

• Copper

• MgO

• Graphite

• Iodine

Which of the following solids can conduct electricity in the solid state?

• Diamond

• Graphite

• Iodine

• Ice

Which of the following solids consists of discrete molecules arranged in a lattice structure?

• Sulfur

• Graphite

• Gold

• KCl

Which of the following has a metallic solid structure?

• Iodine

• Diamond

• Magnesium

• Ice

Which of the following substances is held together by strong electrostatic forces between ions?

• Graphite

• Sodium chloride

• Copper

• Sulfur

Why does diamond cannot conduct electricity?

• It contains no metal atoms

• Its molecules are neutral

• All its electrons are involved in bonding

• It has weak intermolecular forces

Which of the following best explains the high melting point of magnesium oxide (MgO)?

• It has strong metallic bonding

• It has weak van der Waals forces

• It has giant covalent bonding

• It has strong ionic bonds between oppositely charged ions

Which statement correctly describes graphite?

• It has a simple molecular structure

• It consists of positive ions in a sea of electrons

• It has layers that can slide due to weak forces between them

• It is soluble in water due to its polarity