Multiple Choice QuestionsWave nature of electrons was demonstrated by :
Schrodinger
de-Broglie
Davisson and Garmer
Heisenberg
4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is:
6p > 5f > 5p > 4d
6p > 5f > 4d > 5p
5f > 6p > 4d > 5p
5f > 6p > 5p > 4d
Which of the following series of transitions in the spectrum of hydrogen atom fall in visible region?
Balmer series
Paschen series
Brackett series
Lyman series
Non - directional orbital is :
4p
4d
4f
3s
D.
3s
Non - directional orbital is : 3s because s - sub - shell has only one orbital and it is spherical .Hence , s - orbitals are non - directional .
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