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Which of the following electronic configuration is not possible:
(1) 1s2 2s2
(2) 1s2 2s2 2p6
(3) [Ar]3d10 4s2 4p2
(4) 1s2 2s2 2p2 3s1
Ans: 1s2 2s2 2p2 3s1
name and chemical formula of blue vitriol
#space lattice, unit cell, calculation of particles per unit cell, laws of crystallography, symmetry elements in crystals, derivation of braggs equation#
Al(C2O4)3 3-
Q. Describe about Oxides? As said before, oxygen reacts practically with all the elements in the periodic table, except Lighter noble gases, to form binary compounds called oxi
Existence of positively charged nucleus was established by: (1) Positive ray analysis (2) α -ray scattering experiments () X-ray analysis (4) Discharge tube exper
Mole definition
what is wet test for acid redicals?
how to determine the percentage of association or dissociation in a solution?
How rusting of iron is envisaged as setting up of an electrochemical cell? Solution) Rusting of Iron is due to corossion. Rust is an Fe 2 O 3 .xH 2 O Theory of Rusting :
The electronic configuration of calcium ion ( Ca2 + ) is: (1) 1s 1 , 2s 2, 2p 6 , 3s 2 , 3p 6 , 4s 2 (2) 1s 1 , 2s 2 , sp 6 , 3s 2 , 3p 6 , 4s 1
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