Answer to Question #197071 in General Chemistry for Moe

Question

6) The energy (in J) required for an electronic transition in a Bohr hydrogen atom from n = 2 to n = 3 is:

A. 4.0 * 10^-19

B. 3.0 * 10^-19

C. −3.0 * 10^-19

D. −7.9 * 10^-19

E. 4.6 * 10^-14

Answer 1

Enegy required =

13.6 ( - 1 / 3² + 1 / 2² ) ev .

13.6 × ( 5 / 36 ) ev .

13.6 × 5 × 1.6 × 10^-19 / 36

3 × 10^-19 j answer .

Answer is B .