Question

some example and lines on metalic and non metalic

Answer 1

If you are referring to the elements of periodic table then;
Metallic nature of elements decreases from left to right in a period and increases from top to bottom in a group,
Eg; Alkaline metals (Na,K, Rb,Cs)

Non-metallic nature of elements increases from left to right in a period and decreases from top to bottom in a group.
Eg; Halogens (F, Cl , Br,I ,At`)

Answer 2

metals:Na,K,Rb,Cs
non-metals:F, Cl , Br,I ,At