The Electron Configuration: Condensed

2. Atoms and the Periodic Table / The Electron Configuration: Condensed / Problem 1

What is the condensed electron configurations for indium (In) atom?

[Kr]5s²4d¹⁰5p¹

[Ar]5s²3d¹⁰5p¹

[Cd]5p¹

[Kr]5p¹