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College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000

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BuyFindarrow_forward

College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000
Textbook Problem

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?

To determine

The radius of ionized Helium atom with that of the Bohr radius of Hydrogen atom.

Explanation

Given info:

Helium atom is singly ionized which means it now has a hydrogen like structure with just one electron.

Formula used:

rn=n2aB/Z ,

where rnis the radius, n is the shell number of the electron, Z = atomic number of the element. Also,

aB=0.59×1010 m.

Calculation:

For Hydrogen:rn=n2aB/Z=(1)2(aB)

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