000 00326nam a2200121 4500
082 _a541 Cla
100 _aClark,Jim
245 _aUnderstanding chemistry :structures menu
260 _c2009
300 _a20
650 _aionic structures,giant covalent ,metallic,molecularphysical properties of period 3 elements
942 _cREF
999 _c790
_d790