How maney groups and perioda are there in modern periodic table ? How does atomic size and metallic character of element very as we move;?
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their are 8 groups and 7 periods in periodic table .
metallic character decrease across the period and increase down the group.
atomic sizes increase down the group
metallic character decrease across the period and increase down the group.
atomic sizes increase down the group
Answered by
1
8 groups and 7 periods
metalic character decreases across period and viceversa
attomic size increase down group
metalic character decreases across period and viceversa
attomic size increase down group
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