NEET Chemistry Electronic configuration MCQ Question
The electronic states X and Y of an atom are depicted below: X : 1s²2s²2p⁶3s¹ Y : 1s²2s²2p⁶3s²3p⁶4s¹ Which of the following statements is not correct?
X represents an alkali metal.
More energy is required to remove an electron from X than from Y.
Y represents ground state of the element.
Less energy is required to remove an electron from X than from Y.
Correct Answer
Detailed Explanation
Y is in a higher energy state than X, so less energy is required to remove an electron from Y.
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