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Physical Properties of Two Solids. nil. strong. Covalent. Ionic. High. Low. High. Low. Hard/brittle. Soft. soluble. insoluble. poor. poor. good. poor. insoluble. soluble. Questions. Camphor, Strong odour means molecules leave the surface easily
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nil strong Covalent Ionic High Low High Low Hard/brittle Soft soluble insoluble poor poor good poor insoluble soluble
Questions • Camphor, Strong odour means molecules leave the surface easily • Sodium Chloride had the more tightly bonded molecules • CuCl2 is more soluble in water (it’s ionic) • NO2 would have the lower melting/boiling point (it’s covalent) For more lessons, visit www.chalkbored.com