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As you move from left to right along period 3 (from K to Kr) the amount of protons in the nucleus increases therefore proton density increases. Shielding stays the same as it remains in the same electron ...

First we need to choose out the key elements we want to talk about: use this acronym Lets (language) Shop (structure) F(form) T(theme) C(context) A(audience) R(rhythm) . Now we know our key elements, we h...

Use SUVAT. Height is 20m, initial speed is 0m/s, acceleration is 10m/s^2, and you need to find time. Therefore use s = ut + 1/2 at^2, and rearrange to get a value for t as t = 2s.

How was ideology important in Mao's rise to power?Through a focus on revolutionising peasants, Mao was able to gain many more followers (as most of the country was made up of peasants). He also drew suppo...

Cancer cells have damaged or mutated DNA. If p53 was functioning, it would stop the cell cycle and ensure damaged cells did not multiply. However, if the gene coding for p53 is faulty, cell division would...