what are the trends in the modern periodic table?

Asked by  | 9th Apr, 2008, 07:51: PM

Expert Answer:

in a group from top to bottom

atomic no.,atomic mass,atomic radii, metallic character ,n basic nature of oxides      INCREASE

electron affinity,electronegativity n ionisation energy   DECREASE

no. of valence electrons                   REMAIN SAME

in a period from left to right

atomic no. ,atomic mass, no. of valence electrons,electron affinity,electrnegativity,ionisation energy     INCREASE

Atomic radii, metallic character,basic nature of oxides   DECREASE

Answered by  | 13th May, 2008, 06:42: PM

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