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The nucleus of an element contains 9 protons. Its valency would be:
(1) 1
(2) 3
(3) 2
(4) 5
Ans: 1
The mass of a photon with a wavelength equal to 1.54 x 10 -8 cm is: (1) 0.8268 x 10 -34 kg (2) 1.287 x10 -33 kg (3)1.4285x 10 -32 k
Explain in words why hydroboration leads to anti-Markovnikov addition of hydrogen whereas most electrophilic addtions to alkenes result in Markovnikov addition.
As the electron move away from the nucleus,its potential energy
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describe the various types of velocities?
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