Chemistry

Chemistry

Problem

The Bohr radius for the ground state of hydrogen is a0=5.29×10−11 ma_{0}=5.29\times10^{-11}\,\text{m}. Determine the radius of the n=2n=2 orbit in singly-ionized helium (He+\text{He}^{+}). a) 2.1×10−10 m2.1\times10^{-10}\,\text{m} b) 1.1×10−10 m1.1\times10^{-10}\,\text{m} c) 5.3×10−11 m5.3\times10^{-11}\,\text{m} d) 2.6×10−11 m2.6\times10^{-11}\,\text{m}

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