capitals SNGS Word Scramble
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| Question | Answer |
| chlorine has a low bpt | VAN DER WAALS FORCES OR INTERMOLECULAR FORCES ARE WEAK. LITTLE ENERGY NEEDED TO OVERCOME FORCES. |
| IONIC compounds have HIGH mpts | ELECTROSTATIC FORCES OF ATTRACTION BTW OPPOSITELY CHARGED IONS ARE VERY STRONG. HUGE AMOUNT OF ENERGY TO BREAK BONDS. |
| METALS ARE GOOD ELECTRICAL CONDUCTORS. | THE VALENCE ELECTRONS OF THE METAL ATOMS ARE DELOCALISED. THESE DELOCALISED ELECTRONS ARE MOBILE AND MOVE FREELY BETWEEN THE POSITIVE METAL IONS. |
| GRAPHITE IS SOFT | THE VAN DER WAALS FORCES BTW THE LAYERS OF CARBON ATOMS ARE WEAK. THEY CAN SLIDE EASILY OVER ONE ANOTHER. |
| DIAMOND DOES NOT CONDUCT ECITY | EACH CARBON ATOM USES UP ALL ITS 4 VALENCE ELECTRONS FOR BONDING WITH OTHER CARBON ATOMS. SO NO FREE ELECTRON REMAINING TO CONNDUCT CURRENT. |
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