Chemistry (Year 12)
Electron Configuration
What is the electron configuration of a neutral chlorine atom (atomic number 17)?
1s² 2s² 2p⁶ 3s² 3p⁵
1s² 2s² 2p⁶ 3s² 3p⁶
1s² 2s² 2p⁶ 3s² 3p³
1s² 2s² 2p⁶ 3s² 3p⁴