Which of the Following Ground State Configurations Matches Represents an Atom

question 106

Multiple Choice

Which of the following ground state configurations matches represents an atom with 7 valence electrons?

• A) 1s²2s²2p⁶3s²3p⁶
• B) 1s²2s²2p⁶3s²3p⁴
• C) 1s²2s²2p⁶3s²
• D) 1s²2s²2p⁶3s²3p⁵

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