Periodic Table and PeriodicitymediumMCQ SINGLE

The element whose electronic configuration is 1s2, 2s2, 2p6, 3s2 isPeriodic Table and Periodicity Chemistry Question

Question

The element whose electronic configuration is 1s2, 2s2, 2p6, 3s2 is

Answer: A

💡 Solution & Explanation

The given electronic configuration is- 2 2 6 2 1 2 2 3 s s p s The atomic number becomes 12 and Magnesium will be the required element that is a metal. Thus, the correct answer is (a)

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