How much energy in joules is required to change the energy state of the H-atom electron from n=2 to n=3? from n=2 to n=4? from n=2 to infinity?

Kind of confused on this concept. Could you please explain for me? Thanks

2 answers

dE = 2.18E-18(1/x^2 - 1/y^2)
Where x = 2 and y = 3 or
x = 2 and y = 4.

It's hard to write the formula on this forum which is why I used x and y; here is a try at the equation.
dE = 2.18E-18(1/n21 - 1/n32 where n1 is < n2
That 1/n^3 sub 2 should be
1/n^2 sub 2
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