Question

write chemical property of metal and nonmetal

Answer 1

metals are hard ductile malleable sonorus but non meatals are brittle non ductile non sonorus and sometimes soft or in gaseous form also non metals have low melting and boiling point then metals . Metals conduct heat and electricity but non metal does not show this property

Answer 2

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• Metals react with oxygen to form corresponding oxides which are basic in nature. The oxides of reactive metals when dissolved in water give base. For example, sodium form sodium oxide $\bf{(Na_2O)}$ which form a base (NaOH) with water.
• The nonmetals react with $\bf{O_2}$ to form acidio oxides. The oxides of nonmetals form acids when dissolved in water. For example, oxide of reactive nonmetals like chlorine form $\bf{Cl_2O_7}$ , which forms strong acid $\bf{(HClO_4)}$with water.
• The oxides of the elements in the center of the main group elements form amphoteric oxides of metals $\bf{(Al_2O_3)}$or neutral or weakly acidic oxides of nonmetal. For example, CO and NO are neutral whereas, $\bf{CO_2}$ is weakly acidic.