CRYSTALLINE SOLIDS 1-IONIC SOLIDS :- NaCl ,KNO3 LiF etc.Strong electrostatic forces of attraction is present. 2- MOLECULAR SOLIDS:- I2, dry ice,sulpher, ice ,etc. Vander Waal's forces are present. 3- COVALENT SOLIDS:- diamond, silicon ,etc.covalent bond present. 4:- METALLIC SOLIDS:-all metas and some alloys. metallic bonds present. SOLID STATE: crystalline solid
