Additional Science Chemistry

things to help with chemistry revision.

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Addition Science Chemistry Revision

Atoms - protons, neutrons, electrons.

Elements = 1 atom.

Compounds = 2+ elements joined by a chemical reaction.

                      = covalent bonding - 2 atoms share 2 electrons.

                      = ionic bonding - become charged ions by + or - electrons.

Periods - (rows), Groups - (columns).

Ion = charged atom.

ion = positively charged _ atom - 1+ electron.

ion = negatively charged _ atom + 1+ electron.

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Comments

Katie

Thankyouu!! :)

Ellen Crawford

Thit actually helps sort things out in my head! Thank you!

Alice Deane

I like the use of bright colours to help you remember the different bits of information.

Daphne

great info =-) 

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