1. Tardigrade
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  3. Chemistry
  4. A transition metal X has a configuration [Ar] 3 d4 in its +3 oxidation state. Its atomic number is

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Q. A transition metal $X$ has a configuration [Ar] $3 d^{4}$ in its $+3$ oxidation state. Its atomic number is

Structure of Atom

Solution:

In $+3$ oxidation state $[ Ar ] 3 d^{4}$ In ground state $[ Ar ] 3 d^{5} 4 s^{2}$ Total protons or electrons $=18+2+5=25$