If the H-atom electron in the n=1 state absorbs energy equivalent to 2.178x10^-18 J, what energy state will it occupy?

Answer 1

Doesn't that mean the electron is ionized?
Calculate the energy for an electron moving from n = infinity to n = 1.
dE = 2.178E-18(1/1 - 0)
dE = 2.178E-18