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Graphite has a giant covalent structure consisting of layers of carbon atoms. Carbon atoms have 4 valence electrons that are available for bonding. In graphite, each carbon atom is covalently bonded to 3 ...
After much practice when it comes to writing essays in exams I can tell you there is nothing more important that making sure you give yourself a good plan to work from! Whilst I understand that exam condi...
For this, we use the FOIL method of expanding brackets; start by multiplying the FIRST terms of each bracket together to get xx=x^2. Next multiply the OUTSIDE elements, ie the first element in the fir...
Climate change can be described as a context hazard due to its worldwide impact. However, the effects that climate change has upon extreme environments poses a severe threat. Temperature fluctuations for ...
The solution to this question can be obtained algebraically using substitution. As both equations are equal to y, this also means they are equal to each other. So firstly, substitute the simpler equation ...
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