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Properties of metals and non metals |
| Answer» \tS.NoPropertyMetalsNon-Metals1Physical StateMetals are solid at room temperature. Except mercury and gallium.Non-metals generally exist as solids and gases, except Bromine.2Melting and boiling pointsMetals generally have high m.pt and b.pt except gallium and cesium.Non-metals have low m.pt and b.pt except diamond and graphite.3DensityGenerally high.Generally low.4Malleability and DuctilityMalleable and ductile.Neither malleable nor ductile.5Electrical and thermal conductivityGood conductors of heat and electricity.Generally poor conductors of heat and electricity except graphite.6LusterPoses shining luster.Do not have luster except iodine.7Sonorous soundGive sonorous sound when struck.Does not give sonorous sound.8HardnessGenerally hard except Na, KSolid non-metals are generally soft except diamond.\t | |