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Explain the trends of following properties ;

1 atomic radii in a group and in a period
2 metallic character in a group and in a period
3 electronegative nature in a group and in a period .



atomic radii in group increase from up to down and decrease from left to right in a period.
mettalic chacter increase down the group and decrease along the periode left to right.
electronagetivity decreae along the group doen and increase along the period left to right.

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