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What is the out'' standing features of boron
explain about p block element
The number of electrons in [ 40 19 k ] -1 is: (1) 19 (2) 20 (3)18 (4)40 Ans: 40
The correct electronic configuration of Ti(Z= 22) atom is: (1) 1s 2 , 2s 2 , 2p 6 , 3p 6 , 4s 2 , 3d 2 , (2) 1s 2, 2s 2 , 2p 6 , 3p 6 , , 3d 4 , (3) 1s 2 , 2s
explain types of ir spectrometer
Types of interferences: Within an atomic spectrometric method, interferences are produced through the non- analyte elements of the sample. The probable interferences that coul
which of the following has smallest heat of hydrogenation per mole A) 1-Butene B)trans-2-butene C)cis-2-butene D)1,3-butadiene Ans) D)1,3-
Q. Study of Elements of group 16? We shall discuss Group 16 elements, viz., oxygen, sulphur, selenium, tellurium and polonium. These elements are called chalcogens or the ore f
ionic bond
The uncertainty in momentum of an electron is 1 x 10 -5 kgm/ s . The uncertainity in its position will be( h= 6.63 x 10 -34 Js) : (1) 5.28 x 10 -30 m
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