Electromagnetic radiation of wavelength 242 nm is just sufficient to ionize the sodium…
Chemistry · Class 11 · CBSE — Structure of Atom
Electromagnetic radiation of wavelength 242 nm is just sufficient to ionize the sodium atom. What is the ionization energy of sodium per atom?
- 494.5 × 10–6 J/atom
- 8169.5 × 10–10 J/atom
- 5.85 × 10–15 J/atom
- 8.214 × 10–19 J/atom
Answer
(D) 8.214 × 10 –19 J/atom
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