why is it that atomic number is more important than atomic mass in predicting chemical periodicity of elements?
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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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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
richiegooner:
what about the properties (physical and chemical) of elements of each period? are they similar?
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