Which of the following electronic configuration is for noble gas?
A. 1s²2s²2p⁶3s²3p⁴
B. 1s²2s²2p⁶3s²3p⁵
C. 1s²2s²2p⁶3s²3p⁶
D. 1s²2s²2p⁶3s²3p⁷

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