Post a New Question

Chemistry

posted by .

Please help i don't get the answer. How much energy, in kilojoules per mole, is released when an electron makes a transition from n=5 to n=2 in an hydrogen atom?

  • Chemistry -

    E = 2.180E-19J x (1/4 - 1/25)
    1/4 is 1/n^2 = 1/2^2 for the lower level
    1/25 is 1/n^2 = 1/5^2 for the higher level

  • Chemistry -

    -5.10x10-19

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

More Related Questions

Post a New Question