Chapter 4.1

Question 1

What is an ionic compound composed of?

Answer 1

A metal and a non-metal

Question 2

What is a covalent compound composed of?

Answer 2

Two or more non-metals

Question 3

Isoelectronic definition

Answer 3

Same number of electrons

Question 4

True or false? The transition metals can form more than one ion

Answer 4

True

Question 5

What are the two ions that iron can form?

Answer 5

Iron(II) and iron (III)

Question 6

What determines the number of electrons lost or gained?

Answer 6

The electron configuration of the atom

Question 7

What is an ionic bond?

Answer 7

An electrostatic attraction between oppositely charged ions

Question 8

Volatility

Answer 8

How readily a substance evaporates

Question 9

Melting and boiling points of ionic compounds are generally

Answer 9

High

Question 10

Ionic solids have __ volatility

Answer 10

Low

Question 11

Ionic substances __ conduct electricity when solid. They __ conduct electricity when melted

Answer 11

Cannot, can

Question 12

True or false? Ionic substances are often soluble in water

Answer 12

True

Question 13

True or false? Aqueous solutions of ionic substance conduct electricity

Answer 13

True

Question 14

True or false? Ionic solids are usually soluble in non-polar solvents

Answer 14

False. Ionic solids are not soluble because more energy is needed to break the bonds than is repayed when formed