Bonding 4

Question 1

Calcium oxide symbol

Answer 1

CaO

Question 2

In calcium oxide, the two electrons from calcium are

Answer 2

Donates to oxygen atom

Question 3

Ca is in group 2 and has _ valence electrons

Answer 3

2

Question 4

Oxygen is in group 4 and has _ valence electrons

Answer 4

Six

Question 5

An element will donate elecif it has less than _ electrons in its outer shell

Answer 5

Three

Question 6

If an element has more than _ electrons, it will accept electrons

Answer 6

Five

Question 7

If an atom accepts two electrons, the charge will be

Answer 7

-2

Question 8

If an atom donates two electrons, charge will be

Answer 8

+2

Question 9

NaOH is

Answer 9

Sodium hydroxide

Question 10

For NaOH, na will give up an electron to get a full octet of

Answer 10

Na+

Question 11

In NaOH, hydroxide accepts one electron to result in a charge of

Answer 11

OH-

Question 12

The overall charge in an ionic compound is

Answer 12

Zero

Question 13

Ionic compounds have _ that are quite strong and difficult to break

Answer 13

Electrostatic attractions

Question 14

Ionic compounds have high (2)

Answer 14

Melting points

Boiling points

Question 15

Ionic compounds are hard and

Answer 15

Brittle

Question 16

Ionic compounds are _

Answer 16

Salts

Question 17

Salts are made from a metal and a

Answer 17

Nonmetal

Question 18

_ is not salt (exception)

Answer 18

Metal + oxygen

Question 19

_ is not a salt (exception)

Answer 19

Metal + hydrogen

Question 20

Salts are _ compounds that have high melting/boiling points

Answer 20

Neutral

Question 21

When salts are dissolved in water, they can

Answer 21

Conduct electricity

Question 22

Salts can conduct electricity when dissolved in water because in a solution, they

Answer 22

Dissociate into ions