Chemistry Chap 10 Test 3

Front 1

elements that form with less than an octet

Back 1

hydrogen: 2 electrons (duet)

Ba/Al: 6 electrons

Front 2

exceptions to the octect rule

Back 2

odd numbr of valence electrons

less than an octet

more than an octet

Front 3

free radical

Back 3

extra electron that is very unstable and very reactive

Front 4

formal charge

Back 4

calulated charge that each atom would have if we assumed electrons are being shared equally (ignoring electronegaitiy)

Front 5

elements that can't break the octet rule

Back 5

C, N, O, Fl, Ne

Front 6

VSEPR theory

Back 6

idea that electron pairs will position themselves in such a way to minimize repulsions by maximizing separation

valence shell electron pair repulsions theory

Front 7

resonance theory

Back 7

delocalization of electron

Front 8

electron Group Arrangment name for 2 groups and bond angle

Back 8

linear

180*

Front 9

electron group arrangment name for 2 groups and one lone pair and bond angle

Back 9

linear

180*

Front 10

electron group arrangment name for 3 groups and 1 lone electron pair

Back 10

bent

<120*

Front 11

electron group arrangement for 3 groups of electrons and bond angle

Back 11

trigonal planar

120*

Front 12

electron group arrangment name for 4 groups of electrons and bond angle

Back 12

tetrahedral

109.5*

Front 13

electron group arrangement for 4 groups of electrons and 1 lone pair and bond angle

Back 13

trigonal pyramidal

<109.5*

Front 14

molecular geometry for arrangement for 4 groups of electrons and 2 lone pairs and bond angle

Back 14

bent

<109..5

Front 15

molecular geometry for arrangement of 5 pairs of electrons and bond angle

Back 15

trigonal pyramidal

90* or 120*

Front 16

molecular geometry for arrangement of 5 pairs and 1 lone pair and bond angle

Back 16

see saw

<90* or <120*

Front 17

molecular geometry for arrangement of 5 pairs and 2 lone pairs and bond angle

Back 17

t shaped

<90*

Front 18

MG for arrangement of 5 pairs and 3 lone pairs and bond angle

Back 18

linear

180*

Front 19

MG for arrangement of 6 pairs and bond angle

Back 19

octohedral

90*

Front 20

MG for arrangement of 6 pairs and 1 lone pair and bond angle

Back 20

square pyramidal

<90*

Front 21

MG for arrangement of 6 pairs and 2 lone pairs

and bond angle

Back 21

square planar

90*

Front 22

2 types of geometry to consider

Back 22

electron group arrangement and molecular shape