(3) Two hydrogen atoms in their ground state travel at oe another with the same speed.After they collide, both of them are at rest and they have electrons in the 5d state.(a) What is the initial speed of the hydrogen atoms?(b) What is the wavelength of the highest energy photon that one of these electrons inthe 5d state can emit while transitioning to a lower energy state?(c) What are the possible angles between the spin angular momentum and the +z-axiswhile the electron is in the 5d state?(d) How many unique quantum states are available to an electron in the 5d state?

More than three subparts are asked, so only the 1st three are answered When two hydrogen atoms…

Answered: (3) Two hydrogen atoms in their ground…

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