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Chemistry
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7 Jun 2020

Given helium ions behaves similarly to hydrogen atom electronically. The modified Rydberg’ equation for helium ion is shown below,

What would be the effect on the wavelength of photons released during electron transition in a helium ion?

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General Chemistry 1
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Solve problems relating to atomic spectra of hydrogen
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Related questions

In my textbook (page 336 for those of you that own it), itsaysthere is H 1s1 and He+ 1s1.It saysit takes 1312 kJ/mol of energy to remove the 1s electronfromhydrogen, but 5251 kJ/mol of energy to remove itfromHe+. It also says, although eachelectron is in a 1sorbital, the electron in the helium ion isattracted to the nucleuswith a 2+ charge, while the electron inthe hydrogen atom isattracted to the nucleus by only a 1+charge. Therefore, theelectron in the helium ion isheld more tightly, making it moredifficult to remove and makingthe helium ion smaller than thehydrogen ion.
I don't understand the part highlighted in red. Cananyoneexplain please?

A singly ionized helium ion has only one electron and is denoted He+. What is the ion's radius in the ground state compared to the Bohr radius of hydrogen atom?

A singly ionized helium ion has only one electron and is denoted He+. What is the ion's radius in the ground state compared to the Bohr radius of hydrogen atom?

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