bonding

Question 1

ionic ib def

Answer 1

the electrostatic attraction between positive and negative ions

Question 2

in ionics how are electrons

Answer 2

transferred(one atom loses and one atom gains)

Question 3

Ionic example

Answer 3

one metal, one non metal. NaCl

Question 4

structure of ionics

Answer 4

lattice, the consists of 3d repeating units of p and n ions

Question 5

melting point/bp of ionics

Answer 5

high

Question 6

malleability of ionics

Answer 6

no

Question 7

conductivity of ionics

Answer 7

solid no
liquid(molten)
water yes

Question 8

solubility of ionics

Answer 8

yes

Question 9

covalent ib definition

Answer 9

the electrostatic attraction between a pair of electrons and positively charged nuclei

Question 10

how are the electrons when covalent

Answer 10

they are shared(connect the dots)

Question 11

structure of covalent bond

Answer 11

think vespry shapes

Question 12

mp and bp of covalent bonds

Answer 12

low(held by weak forces of attraction except when hydrogen bonding)

Question 13

malleability of covalent bonds

Answer 13

no

Question 14

conductivity of covalent bonds

Answer 14

poor in a phases(exception, some allotropes of carbon)

Question 15

solubility of covalent bonds

Answer 15

yes if molecule is polar
no if molecule is non polar

Question 16

Ib Definition of Metallic bonds

Answer 16

the electrostatic attraction between positive metal ions and delocalized electrons

Question 17

how are electrons in metallic bonds

Answer 17

delocalized in an electron sea

Question 18

example of covalent bonds

Answer 18

H2O look for 2 nonmetals

Question 19

example of metallic bonds

Answer 19

metals only

Question 20

structure of metallic bond

Answer 20

lattice structure that consists of 3-d repeating units of positive metal ions.

Question 21

mp/bp of metallic bonds

Answer 21

high, large amount of energy are required

Question 22

malleability of metallic bonds

Answer 22

yes

Question 23

conductivity of metallic bonds

Answer 23

solid-yes
liquid-yes

Question 24

solubility of metallic bonds

Answer 24

no

Question 25

covalent bonds can also be called

Answer 25

molecules

Question 26

lone pair

Answer 26

polar

Question 27

more charge

Answer 27

ionic bond is stronger

Question 28

when talking about greatest degree of ionic character, with bonds

Answer 28

electronegativity greatest difference.

Question 29

shortest bond length

Answer 29

Nitrogen(triple bond)

Question 30

ammonium

Answer 30

NH4+

Question 31

hydrogen carbonate

Answer 31

HCO3-

Question 32

phospate

Answer 32

PO43-

Question 33

symmetrical, dipoles do cancel

Answer 33

non polar

Question 34

asymmetrical, dipoles do not cancel

Answer 34

polar

Question 35

as atomic radius increases down a group

Answer 35

atoms form molecules with longer bonds

Question 36

triple bonds, strength and length?

Answer 36

shortest and strongest.

Question 37

group 13/ Boron vespr shape

Answer 37

Trigonal planar( diagonal, one line straight up

Question 38

trigonal planar atom degreee

Answer 38

120

Question 39

Group 14 or Carbon vespr shape

Answer 39

Tetrahedral( 4 lines)

Question 40

tetrahedral atom degree

Answer 40

109.5

Question 41

Group 15 vespr shape, P and N

Answer 41

Trigonal pyramidal(always polar, lone pair, two diagonal one down)

Question 42

vespr shape group 16

Answer 42

bent, lone pairs

Question 43

trigonal pyramidal atom degree

Answer 43

107

Question 44

Allotropes of carbon

Answer 44

Graphite, diamond, fullerene, graphene

Question 45

if paper 2 asks a question about why a substance has a high mp or bp say?

Answer 45

hydrogen bonding

Question 46

hydrogen bonding examples

Answer 46

HF, H2O NH

Question 47

what is different from allloys and metals/why?

Answer 47

stronger,harder,more durable. smaller ions are able to fit in the spaces between the larger ions in the lattice

Question 48

london dispersion forces:

Answer 48

weak, attraction between nonpolar molecules and atoms of noble gases

Question 49

properties of london dispersion forces?

Answer 49

low mp and bp but increases as you go down group 17 & 18 gases at room temperature

Question 50

dipole dipole properties

Answer 50

causes polar compound to have higher mb and bp than non polar substances

Question 51

in paper 2 when asking to describe the bonding that means?

Answer 51

to say definition of either a metallic covalnt or ionic bond

Question 52

paper 2 when asks for reason under geometry

Answer 52

if it has lone pairs state that but also say how many E domains it has(the dots surronding the atom(lone pairs count as one)

Question 53

paper 2: why is solid metal a good conductor

Answer 53

delocalized electrons

Question 54

rf value

Answer 54

distance from line to spot/ distance from line to solvent front

Question 55

if solvent is non polar?

Answer 55

solvent that traveled highest is non polar and visa versa