Question

What are the characteristics of metallic and Non metallic properties

Answer 1

Answer:

Metallic character refers to the level of reactivity of a metal.

Non-metallic character relates to the tendency to accept electrons during chemical reactions.

Metallic tendency increases going down a group.

Non-metallic tendency increases going from left to right across the periodic table.

Answer 2

Explanation:

The 14 elements from cerium (Z = 58) to Lutensium are called rare earth elements because their abundance in the earth crust is very less. ... The elements after uranium (Z = 92) in the periodic table are called transuranic elements. Thses elements do not occur in the nature. They are man made, synthetic and artificial.