What elements have the same electron configuration?

What elements have the same electron configuration?

When two different elements have the same electron configuration, they are called isoelectronic.

What electron configuration is ground-state?

The ground state electron configuration is the arrangement of electrons around the nucleus of an atom with lower energy levels. The electrons occupying the orbitals of varying energy levels naturally falls towards the lowest energy state or ground state.

Which element has this ground-state configuration?

The answer is Indium (In). Krypton is a noble gas with atomic number 36.

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