Section 5 Quiz

Which of these dissolves readily in water?

• Cu (s)

• Al (s)

Which of these does not readily

conduct electricity?

• a copper wire

• the human body

• salt dissolved in water

• pure water

Which of these is the best description of a

network covalent compound?

• soluble in water, conductive

• soluble in water, nonconductive

• insoluble in water, conductive

• insoluble in water, nonconductive

Based on its physical properties, what type of

bonding does motor oil have?

• metallic

• ionic

• network covalent

• molecular covalent

The table shows three methods of

extracting metals. In what order were these

types of extraction first introduced in

human civilization?

• mining pure metals, electroplating, smelting

• mining pure metals, smelting, electroplating

• smelting, electroplating, mining pure metals

• electroplating, smelting, mining pure metals

Which type(s) of bonding would you expect

to find in substances made exclusively from

elements in the shaded portion of the

periodic table?

• ionic and molecular covalent

• ionic only

• molecular covalent only

• network covalent and molecular covalent

Which type of substance will conduct

electricity the best after dissolving in water?

• metallic

• ionic

• network covalent

• molecular covalent

Which type of bonding is found in zinc, Zn(s)?

• metallic

• ionic

• network covalent

• molecular covalent

Sugar is an example of a compound that is

held together by molecular covalent bonding.

Therefore, sugar is

• bendable and malleable

• durable, rigid, and difficult to break

• relatively easy to separate into smaller pieces

• hard but brittle, fracturing along planes

During the process of electroplating,

• nickel is extracted from gold-plated nickel.

• electrons are extracted from an electrode.

• metal is extracted from an ionic solution.

• anions are extracted from an ionic solution.