B
A- CuCl2 exists in an ionic lattice
D- Silicon Dioxide exists in a lattice (quarts = sand)
C- Lead is a metal, exists as a structure with cations stuck together amidst delocalised electrons
It really depends on how much your trials are weighted. If they're worth about 30-40%, there's no reason that your rankings will not sky-rocket with high marks in each of your subjects. It'll be easier to predict your ATAR from your end-of year ranks.
you're probably being sarcastic, but tests in the higher order selective/agriculture schools are far harder than those of your local non-selective school.
Sen Lin - James Ruse
Christine Zhang - James Ruse
David Pham - James Ruse
Nathan Wong - James Ruse
Caroline Banh - James Ruse
Ruby Kwong - James Ruse
James Xu - James Ruse
Victor Chan - James Ruse
Melissa Chen - James Ruse
Shame. Only 9.