1.

The energy of \[{{e}^{-}}\] in first orbit of \[H{{e}^{+}}\]is  \[-871.6\times {{10}^{-20}}J.\] The energy of \[{{e}^{-}}\]in first orbit of H is:

A. \[-871.6\times {{10}^{-20}}\]
B. \[-435.8\times {{10}^{-20}}J\]
C. \[-217.9\times {{10}^{-20}}J\]
D. \[-108.9\times {{10}^{-20}}\]
Answer» D. \[-108.9\times {{10}^{-20}}\]


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