Chapter 2 2024/2025
Chapter 2 2024/2025
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a) The electron transition in the Balmer series of hydrogen atom from n=4 to n=2 is shown as a line spectrum.
i. Calculate the energy associated with this transition.
[2 Marks]
ii. Explain whether energy is emitted or absorbed during the transition.
[2 Marks]
iii. Determine the wavelength for this transition.
[2 Marks]
b) Chromium and manganese have the same number of electrons in the 3d orbital. Explain this statement in relation to the filling of orbitals with electrons.
[4 Marks]
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