14. The ionization energy of a hydrogen atom is 1.31 × 10⁶ J/mol. What is the ionization energy of He⁺? (A) 8.72 × 10⁻¹⁸ J/mol (B) 2.63 × 10⁶ J/mol (C) 5.25 × 10⁶ J/mol (D) 2.18 × 10⁻¹⁸ J/mol (E) 1.31 × 10⁶ J/mol

18. Most valence electron transitions occur in the _ region of the electromagnetic spectrum. Rotational transitions are typically induced by radiation in the region, and vibrational transitions are typically induced by radiation in the _ region. (A) X-ray, UV-vis, IR (B) UV-vis, IR, microwave (C) IR, microwave, UV-vis (D) Microwave, X-ray, UV-vis (E) UV-vis, microwave, IR

14. The ionization energy of a hydrogen atom is 1.31 × 10⁶ J/mol. What is the ionization energy of He⁺?
(A) 8.72 × 10⁻¹⁸ J/mol
(B) 2.63 × 10⁶ J/mol
(C) 5.25 × 10⁶ J/mol
(D) 2.18 × 10⁻¹⁸ J/mol
(E) 1.31 × 10⁶ J/mol

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