Answer to Question #197071 in General Chemistry for Moe

Question #197071

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



1
Expert's answer
2021-05-24T07:19:41-0400

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 .


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