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Covalent bonding is the sharing of a pair of electrons between atoms to make molecules e.g. CO 2 , whereas Ionic bonding is the transfer of electrons from one atom to the other to make a complete outer shell...

Ablative absolutes are a common type of phrase found in Latin. They seem a little complex at first, but once you learn to recognise them, they are one of the easiest kinds of phrase to notice and translate i...

First, split the isosceles triangle down the middle to create a right angled triangle. Then label the opposite, hypotenuse and adjacent. The hypotenuse will be the longest side of the triangle, the opposite ...

Recap defintions: factorise essentially means making the equation simpler by finding the common factors. This is a simple quadratic because the first term has a coeffecient of 1. therefore we know it will fa...

To help us to see what we need to do in this question, I would always line the equations up one above the other, and label them (1) and (2). Here we'll say that (1) is 3x + 7y =18 and (2) is x+ 2y =5 - To so...