Question
Asked Oct 20, 2019
73 views

The energy of a photon emitted when an electron underwent a transition to n = 3 energy level was 1.977x10-19 J. What was the initial energy level for the electron?

check_circle

Expert Answer

- 13-6 x z2
ev
ni
Ittve atomis Hydaogen atom
En
-13.6
The tyanbHon orcused between nn and
; -)
- 13.6 2
-13.6 x 0)
Y V
2
) ues
13 -6
1477
to
get n.value,
-0. oj0
=7
help_outline

Image Transcriptionclose

- 13-6 x z2 ev ni Ittve atomis Hydaogen atom En -13.6 The tyanbHon orcused between nn and ; -) - 13.6 2 -13.6 x 0) Y V 2 ) ues 13 -6 1477 to get n.value, -0. oj0 =7

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Chemistry

General Chemistry

Related Chemistry Q&A

Find answers to questions asked by student like you

Show more Q&A add
question_answer

Q: BSA for concentration measurements is often prepared as a 10 mg/mL stock solution.  Suppose you wish...

A: Concentration of Stock Solution, C1 = 10 mg/mLVolume of Dilute Solution  in each case, V2 = 10 mLDes...

question_answer

Q: Identify the type of interactions in each compound (ionic, dipole -dipole, hydrogen bond, etc...) Sh...

A: A chemical compound consists of two or more different elements which are bonded with each other thro...

question_answer

Q: A 33.00 mL sample of an unknown H3PO4 solution is titrated with a 0.120 M NaOH solution. The equival...

A: Given,Volume of H3PO4 = 33.00 mL = 0.033 L    (1 mL =0.001 L)Volume of NaOH = 24.98 mL = 0.02498 LMo...

question_answer

Q: Comment on the “ideality” (Newtonian or non-Newtonian characteristic) of 100ml solutions of methanol...

A: Given information:Volume of solution = 100 mL

question_answer

Q: Determine the pH of a 0.461 M C6H5CO2H M solution if the Ka of C6H5CO2H is 6.5 x 10-5.

A: Given,Concentration = 0.461M.Ka = 6.5×10-5Then,

question_answer

Q: Consider a sample that is a mixture composed of biphenyl, benzoic acid, and benzyl alcohol. The samp...

A: Given,Biphenyl,Benzyl alcohol,Benzoic acid.

question_answer

Q: predict the major product of the reaction sequence below

A: The given reactant is: 

question_answer

Q: A buffer solution contains a mixture of a weak acid and a weak base, typically the conjugate base of...

A: Buffer solutions are solutions whose pH remain constant when acid or base is added to it. Buffer sol...

question_answer

Q: 1- Determine the concentration of a solution prepared by diluting 25.0 mL ofa stock 0.188 M Ca(NO3)2...

A: GivenVolume of the solution = 25.0mlMolarity of the solution = 0.188MNew volume of the solution afte...