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The electronic configuration of element with atomic number 24 is : (1) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 4 4s 2 (2) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 (3)
what do you know about the dynamic nature of chemical equilibrium?
What do you understand by temperature independence paramagnetism? Ans) Compounds which are expected to be diamagnetic may exhibit this kind of weak paramagnetism. It arises from a
Equilibria Equilibrium can also exist in between the same species in two different forms e.g. liquid and solid, liquid and gas. An equilibrium constant may also be produced for
The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is: (1) 17 (2) 37 (3)2 (4)38 Ans: 17
Describe the following electrochemical methods in terms of their working principles instrumentation and applications i. Potentiometry ii. polarography iii. Conductometry
give examples of mixtures separated by distillation under reduced pressure
Consider the ground state of(Z= 24) . The numbers of electrons with the azimuthal quantum numbers,l=1 and 2 are, respectively: (1) 16 and 4 (2) 12 and 5
Iodine is used as an antiseptic treatment, but it can be poisonous if taken internally! Be sure that the solution is handled with care, and avoid all direct contact with the soluti
Fe(atomic number = 26) atom has the electronic arrangement: (1) 2, 8, 8, 8 (2) 2, 8, 16 (3) 2, 8,14, 2 (4) 2, 8, 12, 4 Ans: 2, 8,14, 2
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