Write the postulates of Bohr's atomic mo...

Write the postulates of Bohr's atomic model .

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CHHAYA PUBLICATION-MODEL QUESTIONS PAPER -SET II ( SECTION II ) ( GROUP C)

Differentiate between orbit and orbital
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Why does 2d-orbital not exits ?
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Write the postulates of Bohr's atomic model .
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Why is the 1st ionisation potential of B less than that of Be ?
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Arrange the following in increasing order of radius : Mg^(2+) , Al^(...
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What is lanthanide contraction ? Write the causes of this phenomenon .
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In spite of having the same molecular mass , boiling point of ethanol ...
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Write down the hybridisation states of the central atoms of CO(2) and ...
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4 g of He gas at 27^(@) C is expanded isothermally and reversibly to 1...
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Calculate the enthalpy of combustion of ethylene . Given : C(2) H(6)...
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Write the significance of the gas contain 'a' and 'b'.
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Define coefficient of viscosity ?
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Balance the equation by ion-electron method : MnO(4)^(-) + Fe^(2+) to ...
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Balance the chemical equation by ion-electron method : CuO + NH(3) to ...
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Determine the volume strength of 1.5 (N) H(2)O(2).
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Why is hard water not used in boilers ?
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Why the alkali metals cannot be extracted by chemical reduction method...
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Which alkali metal is the most abundant in earth's crust ?
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Why is the aqueous solution of BeCl(2) acidic ?
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Which is Gr.-II metal plays an important role in coagulation of blood ...
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