Consider the following electron configurations to answer the question. (i) 1s22s22p63s23p64s23d104p65s1 (ii) 1s22s22p63s23p5 (iii) 1s22s22p63s23p64s23d8 (iv) 1s22s22p63s23p64s23d104p6 (v) 1s22s22p43s1 Which represents the ground state electron configuration for a halogen?

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Multiple Choice

Consider the following electron configurations to answer the question.
(i)   1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s¹

(ii)   1s²2s²2p⁶3s²3p⁵

(iii)   1s²2s²2p⁶3s²3p⁶4s²3d⁸

(iv)   1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶

(v)   1s²2s²2p⁴3s¹

Which represents the ground state electron configuration for a halogen?

(i)

(ii)

(iii)

(iv)

(v)

Master The Electron Configuration: Quantum Numbers with a bite sized video explanation from Jules Bruno

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