The complete electron configuration of tin is From the following list of observa

Question

The complete electron configuration of tin is From the following list of observations, choose the one that most clearly supports the following conclusion: Electrons in atoms have quantized energies. What is the energy of a photon of blue light that has a wavelength of 453 nm? The four lines observed in the visible emission spectrum of hydrogen tell us that The spectrum is continuous. Only certain energies are allowed for the electron in a hydrogen atom The hydrogen molecules they came from have the formula H_4. There are four electrons in an excited hydrogen atom. We could observe more lines if we had a stronger prism. The electron configuration for the barium atom is:

Explanation / Answer

12 Sn : 1s22s22p63s23p64s23d104p65s24d105p2

13 : A : emission spectrum shows quantisation

14) E = ch/Wavelength = (3x108 x 6.65x 10-34 )/453 x10-9 = 4.3x10-19Joules A Option

15) B option..... only certain energy are allowed..

16),D option    : Xe 6s2

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