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D and F Block Elements question

2025 · 22 Jan · Shift 2 · Q23
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D and F Block Elements question

2025 · 22 Jan · Shift 2 · Q23

JEE MainChemistryD and F Block ElementsNumerical+4 / −1
Niobium (Nb)(\mathrm{Nb})(Nb) and ruthenium (Ru)(\mathrm{Ru})(Ru) have "xxx" and "yyy" number of electrons in their respective 4 d orbitals. The value of x+yx+yx+y is ‾\underline{\hspace{2cm}}​.
Numerical answer
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