atom, Chemistry

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two reasons why is it necessary to ionise chromium atomsin a sample

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Indicate whether the following thermal reactions are allowed concerted reactions by the Woodward-Hoffmann criteria. Classify the reaction according to type. On the basis of

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The electronic configuration of an element with atomic number 7  i.e. nitrogen atom is; (1) 1s 2 , 2s 1 , 2p 3 x                               (2)  1s 2 , 2s 2 , 2p 2 x ,

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Q. Requirements for the evaluation process? Some of the requirements to be kept in mind for the evaluation of the products are listed herewith: • People in a sensory test a

Grahams law, At 350 degrees C, nitrogen has a velocity of 800m/s. Find the ...

At 350 degrees C, nitrogen has a velocity of 800m/s. Find the velocity of hydrogen at the same temperature

Explain newman projections, Explain Newman projections The systematic n...

Explain Newman projections The systematic name for "pullane" is 1,1-di-tert-butyl-2,4-diethylcyclopentane. Hence, structures B and C are Newman projections of the same compo

Energy of second bohr orbit of the hydrogen atom & energy, The energy of se...

The energy of second Bohr orbit of the hydrogen atom is -328 kJ mol-1, hence the energy of fourth Bohr orbit would be: (1) - 41 kJ mol -1 (2) -1312 kJ mol -1   (3) -164

Evaluate the gold number of a, Q. Evaluate the gold number of A? The co...

Q. Evaluate the gold number of A? The coagulation of 100 mL of colloidal sol. is completely prevented by adding 0.25g of a protective colloid 'A' to it before adding 1 mL of Na

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