Partial photoelectron data for an unknown element X are listed

CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

Partial photoelectron data for an unknown element X are listed. Subshell | Binding energy (eV) | Relative peak area 1s | 450 | small 2s | 90 | small 2p | 65 | large 3s | 35 | small 3p | 20 | large 4s | 9 | small Which ground-state electron configuration is most consistent with these data? (a) 1s

^{2}

2s

^{2}

2p

^{6}

3s

^{2}

3p

^{6}

3d

^{2}

(b) 1s

^{2}

2s

^{2}

2p

^{6}

3s

^{2}

3p

^{6}

4p

^{2}

(c) 1s

^{2}

2s

^{2}

2p

^{6}

3s

^{2}

3p

^{6}

4s

^{2}

(d) 1s

^{2}

2s

^{2}

2p

^{6}

3s

^{2}

3p

^{4}

4s

^{2}

3d

^{2}

Related theory

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