What is the electron configuration of Platinum?

Electronic configuration: The arrangement of electrons into the orbitals of an atom using some fundamental principle is called its electronic configuration.

Electronic configuration of Platinum(Pt):

• Platinum is a d-block element having atomic number 78.
• The group number and period number of Platinum are 10 and 6 respectively.
• Therefore, the electronic configuration of $\mathrm{Pt}$ is $\left[\mathrm{Xe}\right]4{\mathrm{f}}^{14}5{\mathrm{d}}^{9}6{\mathrm{s}}^1$.