I need to know

Question 1

from electrons dropping from higher energy levels into

Question 2

the n = 1 orbit.

Question 3

■ The Balmer series (discovered in 1885) has

Question 4

wavelengths in the visible light spectrum

Answer 4

resulting

Question 5

from electrons falling from higher energy levels into

Question 6

the n = 2 orbit.

Question 7

■ The Paschen series (discovered in 1908) has

Question 8

wavelengths in the infrared spectrum

Answer 8

resulting from

Question 9

electrons falling from higher energy levels into the

Question 10

n = 3 orbit