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The d-and f-Block Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryThe d-and f-Block Elements1 Mark
Question
Write Electronic configuration of Second transition metal $: Ru$
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Answer

Atomic Number $: 44$
Electronic configuration $: [Kr]4d^75s^1$​​​​​​​

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