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The reactivity of Group 1 elements increases down the groupAs the atom becomes larger so the attraction between the positive nucleus and negative electron becomes weaker. Shielding also increases meaning ...
Firstly list two numbers that add to 6 and right them down e.g. 4 and 2.Secondly list two numbers that multiply to form 8 e.g. 8 and 1 or 4 and 2.The numbers that appear in both solutions will therefore b...
The central nervous system consists of the brain and spinal chord, whereas the peripheral nervous system consists of the spinal chord alone.
Refer to question taken from Edexcel Maths Paper.
with quadratic equations you will either get two x values for your answer, one value or zero values. This can be tested by rhe value of your discriminant when values have been subbed in. If it’s greater t...
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