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The correct ground state electronic configuration of chromium atom is:
(1) [Ar] 3d5 4s1
(2)[Ar]3d4 4s2
(3) [AR]3d6 4s0
(4)[Ar]4d5 4s1
Ans: [Ar] 3d5 4s1
if the electon in hydrogen atom is exited to n=5 the number of diffrent frequency of radiations which may be exited is
Pyroligneous acid - Aldehydes and Ketones Pyroligneous acid consisting of acetic acid, acetone and methyl alcohol that is distilled in copper vessel and the vapours are passed
hybridisation of o in boric acid
Types of power sources - atomic emission spectrometry: Three types of power sources have been employed in argon plasma spectroscopy accordingly; there are three different kind
why only phosphate is used for intrnal conditioning???
Azimuthal quantum number for last electron of Na atom is: (1) 1 (2) 2 (3) 3 (4) 0 Ans: 0
Draw the structures of white phosphorus and red phosphorus. Which one of these two types of phosphorus is more reactive and why?
phsiscal properties &chemical propertise
methods of purification of organic compounds with diagrams ..
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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