Top Posters
Since Sunday
T
3
s
3
o
3
G
3
k
3
C
3
a
3
K
3
f
3
j
3
b
3
c
3
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
Bubblyparabola Bubblyparabola
wrote...
Go to Answer
Posts: 135
Rep: 0 0
10 months ago
The electron in a hydrogen atom falls from an excited energy level to the ground state in two steps, causing the emission of photons with wavelengths of 1870 nm and 102.5 nm, respectively.  What is the principal quantum number or shell of the initial excited energy level from which the electron falls?

▸ 2

▸ 3

▸ 4

▸ 6

▸ 8
Textbook 
Chemistry

Chemistry


Edition: 11th
Authors:
Read 60 times
1 Reply
Replies
Answer verified by a subject expert
hhortonhhorton
wrote...
#1
Posts: 144
Rep: 0 0
10 months ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

Bubblyparabola Author
wrote...

10 months ago
This helped my grade so much Perfect
jakechambo3
wrote...

Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
mambah4
wrote...

2 hours ago
Brilliant ツ
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1036 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1944
  
 353
  
 790
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 484
Previous poll results: Which is the best fuel for late night cramming?