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Recall that to solve a quadratic it needs to be in the form ax² + bx +c = 0, Subtract 2 from each side to get 2x²-x-6=0 therefore a=2 b=-1 and c=-6 Solve by considering factors c and...

Graphite is made from layers of carbon which contain many 6-membered carbon rings (hexagonal). Each layer is held together by each carbon being covalently bonded to 3 other carbon atoms and this leaves a ...

had problems before interview with submitting this and have therefore no longer got my answer, however was able to complete the interview successfully with the answer

This is a common question from all French students with no straightforward answer. This question can only fully be answered through experience and memorisation of the French nouns with their gender. Howev...

Remember that ionisation energy is an endothermic process, in which energy from the chemical system is used to remove electrons from atoms in the GASEOUS STATE.