Atomic Structure :  Metals, Nonmetals, and Semimetals

Metals

Common characteristics:

Nonmetals

Common characteristics:

The differences in the characteristics of metals and nonmetals can be explained by the following:

1) As you move across a period, metallic character decreases and nonmetallic character increases.

2) As you move down a group, metallic character increases and nonmetallic character decreases.

Semimetals (Metalloids)

B Si Ge As Sb Te Po At