Chemistry MCQS - QUESTION DETAILS

Which element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s¹?
A. Rubidium
B. Strontium
C. Yttrium
D. Zirconium

Rubidium has this electron configuration.

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