Chemistry Transition metals Crossword to help with quick yet thorough transition element revision 3.5 / 5 based on 3 ratings ? ChemistryTransition metalsA2/A-levelOCR Created by: Marnie BickettCreated on: 02-01-13 20:07 A transition element is a ? element DBLOCK 1 of 15 A transition element forms an ion with an ? d-subshell incomplete 2 of 15 Transition elements have variable ? states Oxidation 3 of 15 Transition metal ions are ? coloured 4 of 15 Many transition elements act as ? Catalysts 5 of 15 Transition elements are ? formations Complex 6 of 15 Ligand subsitution causes CO to replace O2 in the bond to Fe2+ in ? Haemoglobin 7 of 15 ? ion: transition metal ion bonded to one or more ligands by co-ordinate bonds complex 8 of 15 A molecule or ion that can donate one pair of electrons to a transition metal ion to form a co ordinate bond Monodentate 9 of 15 ? Isomers: Non superimposable mirror images of eachother Optical 10 of 15 A catalyst provides a different ? that requires a lower activation energy route 11 of 15 Molecules with the same structural formula, but different 3D arrangement of atoms in space Stereoisomers 12 of 15 Fe3+ and OH- makes what colour solution and precipitate? brown 13 of 15 A catalyst in the same phase as the reactants Homogeneous 14 of 15 A catalyst in a different phase to the reactants Heterogeneous 15 of 15
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