5. For each species below:

i. Identify any bonding present in the element or compound.

ii. Sketch a diagram of the bonding (dot-and-cross for ionic or covalent structures, an appropriate representative sketch for any other bonding).

iii. Predict whether the species has a high or low melting point and explain why.

a. Cs₂O

b. SiH4

c. Br₂

d. Cu

e. Kr

[3]

[3]

[3]

[3]

[3]