Question

The energy of hydrogen atom is – 13.6 eV in the first orbit, then calculate the energy of he atom in the same orbit -

• A. 13.6 Ev
• B. – 27.2 Ev
• C. – 54.4 Ev
• D.
  • 54.4 eV

Answer 1

Answer: (B)

– 27.2 Ev

Answer 2

E = – 13.6Z² eV