\tSerial No.MetalsNon-Metals1Metals are malleable.Non-metals are non-malleable or brittle.2Metals are ductile.Non-metals are non-ductile3Metals are good conductors of heat and electricity.Non-metals are bad conductors of heat and electricity.4Metals are Lustrous and can be polished.Non-metals are non-lustrous and cannot be polished.5Metals are solid at room temperature.Non-metals may be solid, liquid or Gases at room temperature.6The melting and boiling points of metals are generally high.Non-metals have low melting and boiling points as compared to metals.7All metals are strong.Non-metals are not strong.8Generally, metals are hard.Most of Non-metals are soft.9Metals are heavy.Non-metals are light substances.10Metals are sonorous.Non-metals are non-sonorous.\tDifferences in Chemical Properties\xa0\tSerial No.MetalsNon-Metals1All metals react with oxygen to form metal oxidesAll non-metals react with oxygen to form acidic or neutral oxides.2Metals react with water to produce metal oxide (or metal hydroxide) and hydrogen gas.Non-metals do not react with water.3Metals react with a dilute acid to form a metal salt and hydrogen gas.Non-metals do not react with dilute acids .4All metals react with chlorine to form ionic metal chlorides.Non-metals react with chlorine to form covalent chlorides.5Only a few metals like Na, K, Ca and Mg react with hydrogen to form metal hydrides.Non-metals react with hydrogen to form covalent Hydrides.\t
They are generally hard
Metal is good conductor\’s of electricty and Nonmetal are bad conductor of electricity