[" b.Metallic character goes on "],[" decreasing while going from left to "],[" right in a period."]

Metallic character goes on decreasing while going from left to right in a period. Give reason

Give scientific reasons : Metallic character goes on decreassing while going from left to right in a period

Atomic radius goes on decreasing while going from left to right in a period

Atomic radius goes on decreasing while going from left to right in a period. Give reason

Atomic radius increases while going from left to right within a period.

Electronegativity increases while going from left to right within a period.

How do the metallic character and non metallic character vary while moving from left to right in a period? Arriving at a conclusion by assessing the size of atom?