Differentiate between metal and non-metal
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Physical properties. chemical properties
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BASIS FOR COMPARISON METALS NON-METALS Meaning Metals refers to the natural elements that are hard, shiny, opaque and dense.Non-metals implies those chemical substances that are soft, non-shiny, transparent and brittle.ExampleNatureElectropositiveElectronegativeStructureCrystallineAmorphicPhysical State at room temperatureSolid (except mercury and gallium)Solid or gas (except Bromine)DensityHigh densityLow densityAppearanceLustrousNon-lustrousHardnessMost metals are hard, except sodium.Most metals are soft, except diamond.MalleabilityMalleableNon-malleableDuctilityDuctileNon-ductileSonorousSonorousNon-sonorousConductionGood conductor of heat and electricityPoor conductor of heat and electricityMelting and Boiling pointVery high melting and boiling point.Low melting and boiling point.Electrons1 to 3 electrons in the outer shell.4 to 8 electrons in the outer shell.OxygenReact with oxygen and form basic oxides.React with oxygen and form acidic oxides.AcidReact with acids and produce hydrogen gas.Do not usually react with acids.
Similar questions
Metals:
Metals are usually good conductors of heat and electricity.
They are hard, opaque, shiny, lustrous and malleable and ductile.
Metals usually form ionic bonds.
None-Metals:
Non-metals are usually good insulators of heat and electricity.
They are usually brittle and have dull appearence.
None-metals usually form covalent compounds.