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Reactivity increases down the group. This is because the outer electron in each atom is further away from the nucleus as you go down the group and so the electrostatic forces between the nucleus and the oute...

Too calculate this we need to increase to total amount of money in the bank by 3% year on year for 6 years. Year 0 £500 Year 1 £500 x 1.03 = £515 Year 2 £515 x 1.03 = £530.45 Notice we use the running total ...

A dative covalent bond, or coordinate bond, is a bond where there is 1 pair of shared electrons between two atoms. The difference relative to a covalent bond is that in a dative covalent bond these electrons...

Let me rephrase this question slightly: "Find all the roots of the equation x^n - 1 = 0." We know by the fundamental theorem of algebra that an nth degree polynomial has exactly n roots. So the exc...

Personal statements are many students worst nightmare. For most, it is the first time you have had to write about yourself in a way that sells you. You will probably find yourself caught between wanting to p...