Answers

  • Brainly User
2014-11-07T20:00:36+05:30
As according to modern periodic table elements were arranged  according to their perodicity means the elements of same group resembles same property

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2014-11-07T20:19:10+05:30
In the periodic table  elements are arranged according to the increasing order of atomic no.its categorised into differerent groups.elements of each group have same properties
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what about the properties (physical and chemical) of elements of each period? are they similar?