Short Answer TypeWhy alkali metals do not form M2+ ions?
It is because after the loss of one electron, alkali metal ion (M+ ) is formed which has stable noble gas configuration and it is very difficult to remove another electron to form M2+ ion as the second ionisation enthalpy is very high. For example, when lithium loses one electron and forms Li+ which is similar to Helium atom.
Name the radio active element in group 1. How does it resemble with the remaining elements of the group?
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