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ATOMIC STRUCTURE
Question #25430
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Question
What is the energy required to ionize a He⁺ ion to He²⁺?
A. 8.72×10⁻¹⁸ J
B. 4.36×10⁻¹⁸ J
C. 2.18×10⁻¹⁸ J
D. 1.09×10⁻¹⁸ J
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