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The atomic orbitals are progressively filled in order of increasing energy. This principle is called as: (1) Hund's rule (2)Aufbau principle (3) Exclusion principle (4
describe exothermic and endothermic reactions with examples.
electron partic;e moving as awave
How can i derive third law from nernst heat theorem
what is the molecular geometry of IF4+
This among the following elements has the tendency to form covalent compounds: (1) Ba (2) Be
role of silica in cupper abstraction
A transition metal X has a configuration [Ar] 3d 4 in its +3 oxidation state. Its atomic number is: (1) 25 (2) 26 (3) 22 (4) 19 Ans: 25
Which of the following configuration is correct for iron : (1) 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 6 ,, 3d 5 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 ,3p 6 , 4s 2 , 3d 5 (3)
give the melting temperature values of group 2 elements
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