Assertion (A): Hydrogen is the first element in the periodic table. Reason (R): It has electronic co — Hydrogen Chemistry Question
Question
Assertion (A): Hydrogen is the first element in the periodic table. Reason (R): It has electronic configuration 1s .
Answer: A
💡 Solution & Explanation
Hydrogen is the first element in the periodic table as it has the electronic configuration 1 1s .
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