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Which of the following is not true in Rutherford's nuclear model of atom:
(1) Protons and neutrons are present inside nucleus
(2) Volume of nucleus is very small as compared to volume of atom
(3) The number of protons and neutrons are always equal
(4) The number of electrons and protons are always equal
Ans: The number of protons and neutrons are always equal
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Chemical methods - Purification of organic compounds Besides these physical methods, few chemical methods have as well been utilized to separate a mixture of organic compounds.
The distribution of electrons into Hybrid orbitals is as per the Paulis Exclusion principle and the Hunds rule of Maximum Multiplicity.
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2NO N2 + O2 has a Keq of 85 Keq = [N2}{02} ------- [NO]2 at equilibrium, would have more reactants or products
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
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ACTINIUM AND THE ACTINIDES Following actinium (group 3) are the 14 components of the actinide series (represented by the symbol An) combined with progressive filling of the 5
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