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Question
Which element has the highest first IE?
Which element has the highest first IE?
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Solution
The correct option is A He
Minimum energy required to remove most loosly held outer most shell electron in ground state from an isolatedgaseous atom is known as ionisation potential.
Also, as we move down the group, IP decreases and as we move along a period IP increases and noble gases have highest IP so He will have highest IP.
Minimum energy required to remove most loosly held outer most shell electron in ground state from an isolatedgaseous atom is known as ionisation potential.
Also, as we move down the group, IP decreases and as we move along a period IP increases and noble gases have highest IP so He will have highest IP.
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