PLEASE STUDY 2.20

Question 1

Number of atoms 3

Answer 1

Tri-

Question 2

Number of atoms 2

Answer 2

Di-

Question 3

Number is atoms 4

Answer 3

Tetra-

Question 4

Number of atoms 1

Answer 4

Mono-

Question 5

Number of atoms 5

Answer 5

Penta

Question 6

Number of atoms 6

Answer 6

Hexa

Question 7

Number of atoms 7

Answer 7

Hepta

Question 8

Number of atoms 8

Answer 8

Octa

Question 9

Number of atoms 9

Answer 9

Nona

Question 10

Number of atoms 10

Answer 10

Deca

Question 11

It ends in ide- when

Answer 11

It is on the periodic table

Question 12

When the prefix ends in O or A

Answer 12

Drop the last vowel of the prefix

Question 13

Electro negativity

Answer 13

A measure of the ability of an atom in a chemical compound to attract electrons

Question 14

If the two elements in the same bond do not have identical electronegativity values

Answer 14

They will not share electrons equally

Question 15

What causes a bond to be polar

Answer 15

When electrons in a covalent bond are not shared equally

Question 16

How do you determine if a bond is polar

Answer 16

• the difference between the 2 non metals is less than .4

Question 17

How do you determine if a bond is polar covalent

Answer 17

The difference between the two nonmetals is between .4 and 1.7

Question 18

How do you determine if a bond is ionic

Answer 18

If the difference between the two elements is a bond greater than 1.7

Question 19

Electrons farther apart will create

Answer 19

Polar bonds

Question 20

Electrons close together create

Answer 20

No polar bonds

Question 21

Differences between polar and non-polar bonds

Answer 21

Polar bonds have ends with partial positive charges and partial negative
The element which is more electronegative displays a partial negative charge
The element which is less electronegative displays a partial positive charge

Question 22

A bond (—)

Answer 22

2 shares electrons

Question 23

Octet rule exceptions

Answer 23

Hydrogen only needs 2 electrons

Boron only needs 6 electrons

Question 24

180 degrees structure

Answer 24

Linear

Question 25

120 degree structure

Answer 25

Trigonal planar

Question 26

<120 degree structure

Answer 26

Bent

V shaped

Question 27

109.5 degree structure

Answer 27

Tetrahedral

Question 28

<109.5 degree structure

Answer 28

Trigonal pyramidal

Question 29

<109.5 degree structure

Answer 29

Bent

V shaped