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08/01/2014 Year 12 What you should know already. 08/01/2014 Elements and symbols that you should know: Part 1 – The obvious ones: 1)Hydrogen 2)Helium.
Do now! Can you think of some uses for aluminium? Iron nipples.
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How ions are formed.. I think that I’ve lost an electron. What do you mean ?
Positively charged ions and negatively charged ions are attracted to each other and this attraction is the basis of ionic bonding.
Do now!
