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61,91, 101, 109 परमाणु क्रमांक वाले तत्वों का इलेक्ट्रॉनिक विन्यास लिखिए|

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61,91, 101, 109 परमाणु क्रमांक वाले तत्वों का इलेक्ट्रॉनिक विन्यास लिखिए|
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प्रोमोथियम Pm या `(Z=61) [Xe]^(54)4f^(5)5d^(0)6s^(2)`
प्रोक्तिनियम Pa या `(Z=91) [Rn]4f^(2)6d^(1)7s^(2)`
मैंडेलीनियम Md या (Z=101) `[Rn]5f^(13)6d^(0)7s^(2)`.
मैटनेरियम Mt या `(Z=109) [Rn]5f^(14) 6d^(7) 7s^(2)`
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