An single electron orbits around a nucleus of charge (+Ze). It requires 46.2ev to excite the electron from second Bohr orbit to the third orbit, calculate: a- The value of Z. b- The wavelength of electromagnetic radiation required to transfered the electron from the first bohr orbit to infinity. e The radius of the first bohr orbit. (The ionization energy of hydrogen atom = 13.6 ev bohr radius = 5.3 x 10-11 m, velocity of light 3 x 10 m/sec planks 's constant 6.6 x 10-34Js ).

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Chapter1: Chemical Foundations
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An single electron orbits around a nucleus of charge (+Ze). It requires
46.2ev to excite the electron from second Bohr orbit to the third orbit,
calculate:
a- The value of Z.
b- The wavelength of electromagnetic radiation required to transferred
the electron from the first bohr orbit to infinity.
e- The radius of the first bohr orbit.
(The ionization energy of hydrogen atom 13.6 ev bohr radius = 5.3 x
10-11 m, velocity of light 3 x 10 m/sec planks 's constant 6.6 x
10-34Js ).
Transcribed Image Text:An single electron orbits around a nucleus of charge (+Ze). It requires 46.2ev to excite the electron from second Bohr orbit to the third orbit, calculate: a- The value of Z. b- The wavelength of electromagnetic radiation required to transferred the electron from the first bohr orbit to infinity. e- The radius of the first bohr orbit. (The ionization energy of hydrogen atom 13.6 ev bohr radius = 5.3 x 10-11 m, velocity of light 3 x 10 m/sec planks 's constant 6.6 x 10-34Js ).
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