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CBSE Class 11-science Answered

the energy of an electron in the first orbit of H- atom is -13.6eV the possible energy values of the excited state for electron in bohr orbits of Li2+ ions is/are A) -3.4eV B) -30.6eV C) -13.6eV D) All of the above
Asked by Yinhu.purelily | 03 Jul, 2021, 06:33: PM
answered-by-expert Expert Answer
According to Bohr's Atomic Model, Energy can be calculated by-
E equals negative 13.6 straight Z squared over straight n squared
for space excited space state comma space straight n equals 2
straight E equals negative 13.6 cross times 3 squared over 2 squared
straight E equals negative 13.6 cross times 9 over 4
straight E equals negative 13.6 cross times 2.25
straight E equals negative 30.6 space eV
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