Question

According to what we can find what is metal and what is non metal

Answer 1

Explanation:

we can define electropositive element as metal and electronegative element is non metal .metals have lustre and non metal do not have luster metal are good conductor of heat and electricity non metals are poor conductor of heat and electricity metal can be hammered into thin sheets and non metal cannot be hammered into thin sheets and they can not be drawn into wires because they are brittle.

Answer 2

Answer:

Based on the valencies of an element, we can classify them as metals and non - metals.

If an element has valency as 1, 2, or 3, or simply if an element gives it's valence electrons to form a compound, then the element is a metal.

If an element has valency as 5, 6, or 7 or simply, if an element receives electrons to form a compound, then the element is a non - metal.

If an element has valency as 4, then it's an metalloid or semi-metal.