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The electronic configuration of four elements are given in brackets:
L (1s2, 2s2, 2p1, ) M (1s1, 2s2, 2p5)
Q (1s2, 2s2, 2p6 3s1,) R ( 1s1, 2s2, 2p2)
The element that would most readily form a diatomic molecule is:
(1) Q
(2) M
(3) R
(4) L
Ans: M
If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Solution) There is a formula for this i.e [ (n 2 - n 1
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Dual nature of particles was proposed by: (1) Heisenberg (2) Lowry (3) de-Broglie (4) Schrodinger Ans:de-Broglie
Calculate how much heat energy is required to raise the temperature of a cube of copper of side 2cm. from 300 to 320k. given: density=8933kg/m cube , atomic weight=63.55, cp=24j/k/
d orbital
abnormal molecule mass
The color in KMnO4 arises from an electronic transition, but it is actually not a d-d ... When the light is reflected (or transmitted) it is missing the frequencies of the light ab
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In hydrogen spectrum the different lines of Lyman series are present is : (1 )UV field (2) IR field (3) Visible field (4) Far IR field Ans: UV field
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