Which Element Has the Following Ground State Electron Configuration 1s²2s²2p⁶3s²3p⁶4s¹

question 46

Multiple Choice

Which element has the following ground state electron configuration 1s²2s²2p⁶3s²3p⁶4s¹?

• A) Ar
• B) Na
• C) K
• D) Cl

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