What Element Is Represented by the Electron Configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s¹4d¹⁰

question 135

Multiple Choice

What element is represented by the electron configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s¹4d¹⁰?

• A) Ag
• B) Rb
• C) Cd
• D) Sr
• E) Cu

---

Definitions:

Yuan Period

A dynasty in China (1271-1368) established by Mongol leader Kublai Khan, known for its cultural achievements and the unification of China.

Former Emperor

A title or description referring to someone who was once an emperor but no longer holds the position, whether through abdication, deposition, or death.

New Emperor

A term indicating the rise or coronation of a new sovereign ruler in an empire.

Ming Dynasty

A major dynasty that ruled China from 1368 to 1644, known for its trade expansion to the African coast, cultural flourishing, and the construction of the Great Wall.