Bonding 8 (covalent Bonds)

Question 1

You can indicate binding by two dots (cl:cl) or

Answer 1

A horizontal line (cl-cl)

Question 2

Some atoms will form _ to complete their energy levels (becoming more stable)

Answer 2

Multiple covalent bonds

Question 3

_ bonds occur when two atoms share four electrons

Answer 3

Double bonds

Question 4

Double bonds occur when

Answer 4

Two atoms share four electrons

Question 5

A triple bind occurs when two atoms share

Answer 5

Six electrons

Question 6

_ occurs when two atoms share six electrons

Answer 6

A triple bond

Question 7

A double bond on Lewis dot diagram is shown with two lines = a triple bond is shown with

Answer 7

Three lines

Question 8

Oxygen (o2) forms a diatomic molecule with a

Answer 8

Double bond

Question 9

Oxygen has _ valence electrons

Answer 9

Six

Question 10

When oxygen shares _ electrons, it achieves an octet

Answer 10

Two (4 touching) (double bond)

Question 11

A triple bind is formed in the compound _

Answer 11

Carbon dioxide

Question 12

Carbon has _ valence electrons

Answer 12

Four

Question 13

_ is also a triple bond

Answer 13

Nitrogen gas

Question 14

Most atoms bond according to the octet rule but

Answer 14

There are some exceptions

Question 15

Molecules in which one or more of the atoms have _ don’t bind according to the octet rule

Answer 15

Fewer than eight electrons

Question 16

The _ rule only applies to hydrogen and helium

Answer 16

Duet

Question 17

The duet rule only applies to (2)

Answer 17

Hydrogen

Helium

Question 18

For helium and hydrogen, a full valence shell consists of only _ electrons

Answer 18

Two

Question 19

Hydrogen and helium will bond with themselves to form diametric molecules with only

Answer 19

Two electrons

Question 20

Hydrogen will bond with itself to have

Answer 20

Two electrons in its valence shell

Question 21

Helium duet bond there are two electrons shared and

Answer 21

Two others not shared

Question 22

Boron with 3 valence electrons bonds with

Answer 22

3 hydrogen atoms (6 valence electrons, no octet)

Question 23

Boron combines with hydrogen to form

Answer 23

BH3