


Need help. Any good websites apart from BBC Bitesize?
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I don't understand how and why yoku get high ionisation energy please help!!
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When do you normally start revising for exams?
Day before
16%
Week Before
19%
Up to a month before
20%
Up to three months before
13%
Up to six months before
7%
I revise all year
23%
Total votes: 7449