Question

give the electronic configuration of elements discoverd by lars fredrick nilson and winkler

Answer 1

Lars Fredrik Nilson, A Swedish Chemist discovered element called as Scandium.
Atomic number -21
Period -4  and Group -3
Electronic configuration: 1s²2s²2p⁶3s²3p⁶4s²3d¹

2) Winkler discovered element called as Germanium
Atomic number 32,
Period - 4th  and group 14
Electronic configuration: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p²