If the mass of electron is doubled, the radius of first orbit of H-atom becomes ≈ — Atomic Structure Chemistry Question
Question
If the mass of electron is doubled, the radius of first orbit of H-atom becomes ≈
Answer: B
💡 Solution & Explanation
r ∝ 1/m_e. Doubling mass halves radius: 0.529/2 = 0.265 Angstrom.
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