1.

Explain the trends of the non-metallic character in a period and a group.

Answer»

SOLUTION :Electronegative ELEMENTS possesses nonmetallic character.
Non-metals have a tendency of GAINING or sharing the electrons during bond FORMATION process.
Trend of the non-metallic character in a group :
On moving down the any group, the non-metallic character decreases.
Trend of the non-metallic character in a period:
On moving from left to right in a period, the effective nuclear charge experienced by valence electrons increases.
Therefore, the tendency to attract electrons will increase.
THUS, non-metallic character increases in a period on moving from left to right.


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