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...Cathkin high school cfe higher chemistry unit trends in the periodic table part chemical changes structure mmeeltinglting p pointoint vsvs aattomic omic numbnumbeerr boiliboilingng nnumbumbeerr page of learning outcomes circle a face to show how much understanding you have each statement if fully understand enough do what outcome says some and not yet once completed this will be able tell which parts topic that need revise by either looking at your notes again or asking for an explanation from teacher classmates end i state modern elements are arranged order increasing atomic number allows chemists make accurate predictions physical properties behaviour any element based on its position is work mendeleev who known masses conjunction with similar leaving gaps undiscovered draw graphs such as first ionisation energy covalent radius against illustrate use data book find variations densities melting points boiling across period down group explain hardness softness related their bonding str...