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What is the name of element having electronic configuration [Rn]5f^147s^27p^1

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What is the name of element having electronic configuration [Rn]5f147s27p1

(a) No

(b) Rf

(c) Lr

(d) Lu

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Correct option is (c) Lr

Lawrenium (Lr) has electronic configuration [Rn]5f147s27p1

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