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First, work out where the electron transfer is going to happen. Because it's ionic bonding we know 1 atom will lose electrons, and 1 will gain them. By using the electron shell's...

The first thing to be aware of with grouped frequency is that we are not given the exact data, but instead we are told that we have some data and we have been able to divide it into set groups. Imagine we...

Pour le travail de mes parents j'ai toujours beaucoup voyagé, mais en ce moment j'habite à Londres.J'aime beaucoup Londres car c'est une ville très dynamique et il y a toujours quelque chose à faire ou à ...

A01: The individual genotype is defined at conception. This is the genetic potential that forms a blueprint for observable expression of characteristics (the phenotype). Individuals may c...

This is a typical exam style question, taken from an AQA paper. This question is testing your knowledge of stationary points and differentiation. Step 1: Find all stationary points by setting the first ...