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What is the electronic configuration of Cu2+ (Z= 29) of least position:
(1) [Ar]4s1 3d8
(2) [Ar]4s2, 3d10 4p1
(3) [Ar]4s1 3d10
(4) [Ar]3s9
Ans: [Ar]3s9
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Energy of electron of hydrogen atom in second Bohr orbit is: (1)-5.44x10 -19 j (2)- 5.44x10 -19 kj (3)-5.44x10 -19 cal
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Halides and halide complexes Almost all elements create thermodynamically stable halides. The general stability sequence is F>Cl>Br>I, that in covalent compounds follows the su
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Bohr's model can explain : (1) The spectrum of hydrogen atom only (2) Spectrum of atom or ion containing one electron only (3) The spectrum of hydrogen molecule (4
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