Author Question: What is the first ionization energy for a hydrogen atom in the ground state? The Rydberg constant is . (Read 73 times)

mwit1967 · **on:** Feb 15, 2020

Question 1

The Balmer-Rydberg equation can be extended to ions with only one electron, such as He+. In that case it has the form: 1/λ = Z2R(1/m2 - 1/n2), where Z is the atomic number. What is the energy of the photon required to promote an electron in He+ from a 1s orbital to a 2p orbital?
◦ (3/4)hcR
◦ 3hcR
◦ 12hcR
◦ 4hcR

Question 2

What is the first ionization energy for a hydrogen atom in the ground state? The Rydberg constant is

.
◦ 2.18 × 10-18 J
◦ 0.00823 J
◦ 7.27 × 10-36 J
◦ 1.63 × 10-27 J

softEldritch · **Reply #1 on:** Feb 15, 2020

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