Calculate the excitation energy required for the promotion of electron from the ground state of Hydrogen atom to the fourth energy level?
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Explanation:
Energy required for the promotion of electron from the ground state to fourth energy level is given as,
ΔE = 2.18×10−18(1n12−1n22)ΔE = 2.18×10−18(112−142)ΔE = 2.18×10−18×0.9375ΔE = 2.04×10−18 J
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first answer is brainlist
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