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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) Neutrons
Ans: Electrons
The two electrons in K sub-shell will differ in : (1)Principal quantum number (2)Azimuthal quantum number (3)Magnetic quantum number (4)Spin quantum number Ans:Spin
why boron have maximum covalency 4 and others have maximum covalency 6
what is cis-trans isomerisation?
An aqueous solution has a hydroxyl concentration of 1.75 x 10^-7mol/L. Find the concentration of hydrogen ions in this solution.
What do you understand by molar conductivity at infinite dilution
1. Discuss how you would go about collecting data for an analysis of the water budget of a region. 2. Discuss the sources and impacts of suspended solids. 3. The reaction o
sho me the s p d f orbitals shape
name the acid present in ant sting and give its chemical formula also give common method to get relief from the discomfort caused by ant sting
what is ngp in addition reaction
Neoprene (GR: or Polychloroprene or Dupe) Preparation: Neoprene is prepared by the free radical polymerisation of chloroprene in an emulsion system. Starting materials are ac
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