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Benzene is a very symmetrical compound Benzene is a very symmetrical compound. The carbon framework is essentially a planar hexagon. Because of its resonance structures, all car
Neutrons are found in atoms of all elements except in: (1) Chlorine (2) Oxygen (3) Argon (4)Hydrogen Ans: Hydrogen
#Difference between AAS and AES
Q. Place these types of light in order from largest to smallest wavelength. Blue light, x-rays, gamma rays, microwaves, green light? Largest wavelength microwaves green l
Which of the following represents the electronic configuration of an element with atomic number 17: (1) 1s 2, 2s 2 , 2p 6 , 3s 1, 3p 6 (2) 1s 2 , 2s 2 , 2p
ionization energy vary in 3d seris of d-block elements,how and why
Calculate ionisation potential of the electron in the first exited state of singly ionised Helium atom is given by ionisation of Hydrogen atom to be 13.6 eV. Ans: According to
why are some liquids purified by distillation under reduced pressure
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Rutherford's experiment on scattering of particles showed for the first time that the atom has: (1) Electrons (2) Protons (3) Nucleus (4) Neutr
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