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The boiling points of the elements in Group 7 tend to increase as you go down the group because the molecules get larger and the intermolecular forces get stronger.

The main difference between the following two is that bacterial cells do not possess a nucleus or any membrane-bound organelles. In addition to that, bacterial cell walls are made out of murein, plasmids ...

The key to answering lengthy essay questions lies in two things: (1) Planning and (2) Structure. When analysing the significance of various factors, it is imperative to make a detailed plan in order to cl...

A reaction will occur if two reactants collide with each other with enough energy to overcome the 'activation energy'. The activation energy is the minimum amount of energy the reactant particles need in ...

It is useful to follow the PEA paragraph structure when analysing writing. This stands for POINT, EVIDENCE, ANALYSIS. So, you would first clearly state the point you wish to make, quote the writer to give...