Wave Function

What Is A Wave Function?|Significance Of Wave Function|Node And Nodal Plane|Features Of Quantum Mechanical Model|Concept Of Orbitals|Difference Between Orbit And Orbital|Subshell|On Solving Schrodinger's Wave Equation|OMR

The radial probability distribution curve obtained for an orbital wave function has 3 peaks and 2 radial nodes. The valence electron of which one of the following metals does this wave function correspond to ?