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Question
The first four ionization energy values of an element are 191, 578, 872 and 5962 kcal per mole. The element belongs to:
The first four ionization energy values of an element are 191, 578, 872 and 5962 kcal per mole. The element belongs to:
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Solution
The correct option is C 13th group
Since the 4th value of I.E. is very high which means electron is to be removed from stable configuration. Thus element has 3 valence electrons.
Therefore elements belongs to 13th group.
Since the 4th value of I.E. is very high which means electron is to be removed from stable configuration. Thus element has 3 valence electrons.
Therefore elements belongs to 13th group.
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