Chapter 3 - Chemical bonding

Question 1

Cations are…
Anions are…

Answer 1

Positive
Negative

Question 2

what is an ionic bond?

Answer 2

electrostatic attraction between opposite charge particles
cations & anions

Question 3

ionic compounds have high…

Answer 3

boiling and melting points

Question 4

ionic compounds have good conductivity when

Answer 4

aqueous or molten only
( poor when solid)

Question 5

what is giant lattice

Answer 5

regular arrangement of ionic compounds

Question 6

when is a covalent bond formed

Answer 6

when electrons are shared between atoms to fill teh outermost shell

Question 7

weak intermolecular forces mean

Answer 7

low boiling and melting points

Question 8

Giant covalent structures

Answer 8

Diamond
Graphite
Silicon Dioxide

Question 9

Diamond and SiO2 have

Answer 9

Tetrahedral structures

Question 10

what metallic bonding

Answer 10

attraction between positive ions in metallic lattice and sea of delocalised electrons