the atomic numbers of 3 elements a,b,c are 12,18,20 respectively.state,give reason,which two elements will show similar properties
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Periodic Classification of Elements. The atomic numbers of three elements A, B and C are 12, 18 and 20 respectively. State, giving a reason, which two elements will show similar properties. Element Calcium and magnesium will show similar properties as they belong to the same group (Group II) of the periodic table.
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