Bonding 7 (covalent Bonds)

Question 1

When phosphorus and chlorine combine, they form a

Answer 1

Covalent bond

Question 2

In the covalent bond between phosphorus and chlorine, they share _ electrons

Answer 2

Three

Question 3

Phosphorus’ five valence electrons need to bind with

Answer 3

Three chlorine atoms

Question 4

Chlorine has 7 valence electrons, each of the three atoms share _ valence electrons with phosphorus

Answer 4

1

Question 5

Bonding pairs are when there are _ on a side of an atom

Answer 5

Red and blue valence electrons

Question 6

The binding pairs (red and blue dots) signify

Answer 6

Sharing of electrons

Question 7

When two of the same color dots are on one side, they are called

Answer 7

Lone pairs

Question 8

Lone pairs are not

Answer 8

Bonded

Question 9

Sometimes atoms will form _ with themselves to become more stable

Answer 9

Covalent bonds

Question 10

Molecules formed by self covalent bonds called

Answer 10

Diatomic molecules

Question 11

When atoms make covalent bonds with same atom for more stability, they form

Answer 11

Diatomic molecules

Question 12

_ is used to compare diatomic molecules

Answer 12

Room temperature

Question 13

Room temperature used to compare diatomic molecules because

Answer 13

It’s most common condition under which they are used

Question 14

Seven diatomic molecules at room temp N2 gas

Answer 14

Nitrogen

Question 15

Seven diatomic molecules at room temp o2 gas

Answer 15

Oxygen

Question 16

Seven diatomic molecules at room temp f2 gas

Answer 16

Fluorine

Question 17

Seven diatomic molecules at room temp i2 solid

Answer 17

Iodine

Question 18

Seven diatomic molecules at room temp Br2 liquid

Answer 18

Bromine

Question 19

Seven diatomic molecules at room temp h2 gas

Answer 19

Hydrogen

Question 20

Seven diatomic molecules at room temp cl2 gas

Answer 20

Chlorine

Question 21

Hydrogen only needs _ to be completely filled

Answer 21

Two electrons in its outer energy level