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+1 vote
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in D and F - block elements by (56.5k points)
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The outer electronic configuration of Gd (Atomic No : 64) is
(a) 4f3 5d5 6s

(b) 4f8 5d0 6s2

(c) 4f4 5d6s2 

(d) 4f7 5d1 6s2

1 Answer

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by (78.6k points)
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Best answer

Correct option (d) 4f7 5d1 6s2

Explanation:

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