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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Assertion : First ionisation energy for nitrogen is lower than oxygen . Reason : Across a period effective nuclear charge decreases.

Assertion : First ionisation energy for nitrogen is lower than oxygen . Reason : Across a period effective nuclear charge decreases.

Assertion : First ionisation energy for nitrogen is lower than oxygen . Reason : Across a period effective nuclear charge decreases.