molecule basics

Question 1

how do you determine the shape of a molecule

Answer 1

1) central atom and the number of its pouter electrons
2) add 1 electron for each bond formed
3) allow for ion changes
4) divide by 2 for electron pair around central
5) determine which are bonding or lone

Question 2

what shape is 2 bonding pairs and no lone pairs

Answer 2

linear

Question 3

what bond angles are in linear shape

Answer 3

180

Question 4

what shape is 3 bonding pairs and no lone pairs

Answer 4

trigonal planar

Question 5

what bond angles are in trigonal planar

Answer 5

120

Question 6

what shape is 2 bonding pairs and 1 lone pair

Answer 6

bent

Question 7

what bond angles does bent have

Answer 7

120 or 109.5

Question 8

what shape is 4 bonding pairs and no lone pairs

Answer 8

tetrahedral

Question 9

what bond angle does tetrahedral have

Answer 9

109.5

Question 10

what is the shape of 2 bonding and 2 lone pairs

Answer 10

angular

Question 11

what bond angles are angular

Answer 11

109.5

Question 12

what shape is 5 bonding and no lone pairs

Answer 12

trignonal bipyramidal

Question 13

what angles does trignonal bipyramidal have

Answer 13

90, 180, 120

Question 14

what shape is 4 bonding and 1 lone pair

Answer 14

seesaw

Question 15

what angles are seesaw

Answer 15

180, 120, 90

Question 16

what shape is 3 bonding and 2 pairs

Answer 16

T shaped

Question 17

what bond angles are t shaped

Answer 17

90, 180

Question 18

what shape is 2 bonding and 3 lone pairs

Answer 18

linear

Question 19

what shape is 6 bonding and no lone pairs

Answer 19

octahedral

Question 20

what bond angles are octahedral

Answer 20

90, 180

Question 21

what shape is 5 bond pairs and 1 lone pair

Answer 21

square pyramidal

Question 22

what bond angles are square pyramidal

Answer 22

90, 180

Question 23

what shape is 4 bonding and 2 lone pairs

Answer 23

square planar

Question 24

what are the bond angles for square planar

Answer 24

90, 180

Question 25

what shape is 7 bonding pairs

Answer 25

pentagonal bipyramidal

Question 26

what bond angles are pentagonal bipyramidal

Answer 26

90, 72, 180

Question 27

when is a molecule polar

Answer 27

when electromagnetically unequally distributes electrons causing delta positive and negative atoms

Question 28

what is the formula for alkanes

Answer 28

CnH2n+2

Question 29

what is the formula for alkenes

Answer 29

CnH2n

Question 30

what is the formula for alcohols

Answer 30

ROH

Question 31

what is the formula for aldehydes

Answer 31

RCHO

Question 32

what is the formula for ketones

Answer 32

RCOR'

Question 33

what is the formula for a carboxylic acid

Answer 33

RCOOH

Question 34

what is the formula for an ether

Answer 34

ROR'

Question 35

what is the formula for an ester

Answer 35

RCOOR'

Question 36

what is the formula for an amide

Answer 36

RCONR'

Question 37

what is the formula for an amine

Answer 37

RNH2

Question 38

what group is an alcohol in

Answer 38

hydroxyl

Question 39

what group is an aldehyde in

Answer 39

aldehyde

Question 40

what group is a ketone in

Answer 40

carbonyl

Question 41

what group is a carboxylic acids in

Answer 41

carboxyl

Question 42

what group is an ether in

Answer 42

ether

Question 43

what group is an ester in

Answer 43

ester

Question 44

what group is an amide in

Answer 44

carboxamide

Question 45

what group are amines in

Answer 45

amines (primary, secondary, tertiary)