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Differentiate between metal and non-metal on the basis of their chemical properties

Answer :

metals Non-metals
The density of metals is usually high. Nonmetals are poor conductors of heat and electricity. Graphite and Gas carbon are exceptions.
Metals are malleable and ductile. Unlike metals, nonmetals aren’t malleable and ductile.
Metals form an alloy with other metals or non – metals. Nonmetals react more with metals than with nonmetals.
Some metals react with air and corrode. For e.g. Iron. Usually, nonmetals react with other nonmetals in high temperature.
Metals are good conductors of heat and electricity. Lead is an exception. Most nonmetals do not react with air in room temperature.
Generally, metals are in a solid state at room temperature. Except for Mercury. Mercury is in a liquid state. White phosphorus is the only nonmetal that reacts with air to form its oxide by burning.
Many metals produce metal oxide by burning in the oxygen of the air. Highly reactive metals react violently when they’re burnt in oxygen. Usually, nonmetals do not react with water. Except for Chlorine, chlorine dissolves in water to form an acidic solution.
Metals like sodium and potassium are stored in oil as they react with air in seconds. They’re highly reactive metals.
Less reactive metals like gold, silver, platinum, etc do not tarnish easily. They stay shiny and lustrous.
Nonmetals have a low density.
Metals produce metal oxide and hydrogen gas while reacting with water. They do not form alloys. However, nonmetals like carbon, silicon and phosphorous.
Soluble metal oxides dissolve in water and create metal hydroxide. Nonmetals exist in all states of matter at room temperature.
Not all metals react with water. However, highly reactive metals like sodium and potassium react with water violently and an exothermic reaction takes places where the hydrogen immediately catches fire. Salt and hydrogen are produced when a metal reacts with an acid.
Generally, a metal displaces a less reactive metal in a metal salt solution.
Different nonmetals have different reactions. Chlorine is the most reactive metal in the halogen family i.e. Chlorine (Cl), Bromine (Br), Iodine (I), and Fluorine (F). The reactivity order of the halogen family is Cl > Br > I.
Therefore, Chlorine (Cl) can displace Bromine (Br) and Iodine (I) from solutions of bromides (NaBr) and Iodides (NaI).
Ionic solids are formed when nonmetals with high electronegativity react with alkali and alkaline earth metals.

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