Answer:
Following are the response to the given question:
Explanation:
The number of shells
n = 4
Calculating the spectral line:

Answer:
please mark me as brainlest
Explanation:
carbon fluoride is the answers
The answer to the question is C
They are called isotopes.
Example of isotopes are Hydrogen and deuterium.
Hydrogen is 1 proton and 0 neutrons.
Deuterium is 1 proton and 1 neutron
Answer:
the answer to this is O hypothesis