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1. |
Energy of the electron revolving around the nucleus in second orbit is - 3.4 V. What is its energy in third orbit? |
A. | - 1.51 J |
B. | - 3.4 eV |
C. | - 1.51 eV |
D. | - 13.6 eV |
Answer» D. - 13.6 eV | |