9. An excited hydrogen atom emits light with a frequency of 1.141 x 10 HZ energy...

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science chemistry

Answer 1

Answer #1

Е= 2. 1% x) D 2 x)6-% Е 2 е мы :( :) Еги 2. 1x15 (1 ) 6. 626 х10хнчи хоч 21% хо (1 оозчт = ) И h, 20.0223 и 12 - О.02-78 ить.

Answer 2

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