properties related to bonding

Question 1

ionic compounds form an

Answer 1

ionic lattice

Question 2

an ionic lattice is

Answer 2

a regular arrangement of metal non-metal ions

Question 3

ionic lattices have …… melting & boiling points

Answer 3

high

Question 4

ionic lattices conduct electricity when

Answer 4

molten or in a solution because the ions are free to move

Question 5

ionic compounds are ……… in water

Answer 5

soluble

Question 6

covalent network substances have ….. melting & boiling points

Answer 6

high

Question 7

covalent network substances are ……….. in water

Answer 7

insoluble

Question 8

covalent network substances …… conduct electricity

Answer 8

don’t (except graphite-it has delocalised electrons)

Question 9

covalent molecules have ……. covalent bonds within molecules but …… forces of attraction between molecules

Answer 9

strong covalent bonds

weak forces of attraction

Question 10

covalent molecules have …. melting & boiling points

Answer 10

low

Question 11

covalent molecules ….. conduct electricity

Answer 11

don’t (except water)