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Sodium chloride has a giant ionic lattice structure with ionic bonding. There are electrostatic forces of attraction between the Na⁺ ions and the Cl^- ions.

Aluminium has a lower first ionisation energy than magnesium. This is because it's outer electron is in a p-orbital in comparision to magnesium's outer electron which is in an s-orbital. The outer electro...

It helps to be formulaic when approaching a broad essay title such as those found in an A Level Spanish paper. For example, if faced with the AQA June 2016 question - ¿Se puede decir que la representación...

One positive impact of a merger could be due to economies of scale. One economy of scale that could occur is bulk buyinh economies of scale. As a firm gets larger and output increases through a merger, it...

A surd is an irrational square root which cannot be reduced to a whole number when squared. When you think of the square root of 4, the answer is 2. When you think of the square root of 9, the answer is 3...