Solids
Chapter 13
67. (a) solid (b) gas (c) gas
74. (a) monoclinic solid (b) rhombic solid (c) rhombic solid (d) rhombic solid (e)
vapour (f) liquid
78.* MoF6: molecular, BN: coavalent network, Se8: molecular, Pt: metallic, RbI:
ionic.
*Note: this question uses slightly different terminology to the lecture slides. In this
case ‘molecular’ is equivalent to ‘molecular crystals’ on the slides and ‘covalent
network’ is equivalent to ‘molecular solid’ on the slides.
94. (a) 8