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Ionization energy of group: Why does Ionization energy of group IIA elements decrease from Be to Ra? A. As the atomic size increases from Be to Ra, the attraction between
Maximum number of electrons present in N shell is: (1) 18 (2) 32 (3) 2 (4) 8 Ans: 32
Nomenclature of organic compounds - Trivial System The meaning of Nomenclature is assignment of names to organic compounds. There are two major systems of nomenclature of org
Optical glass: They contain phosphorous as replacement for most of all the silica and lead silicate, containing a little CaO 2 , the latter is capable of absorbing ultraviolet lig
Liquid-liquid extraction is used to separate acetone and MIBK. A mixture of acetone and MIBK is fed to a mixing tank at a rate of 100 kg/min. Pure water is also fed to the tank and
Q. Illustrate Oxidation States of f-block? The addition of the first three ionisation energies of the lanthanides is comparatively low, so the elements are highly electropositi
ionization energy vary in 3d seris of d-block elements,how and why
why LiF and CsI are solibile in water but LiI and CsF are less solibility in water
Q. Show Occurrence Extraction of group 16? Oxygen is the most abundant of all elements on earth. Dry air contains 20.946% oxygen by volume in the free form. Oxygen forms about
Use the VSEPR model to predict approximate molecular geometries and electron-domain for the following species. (a) XeF 2 , (b) NH3Cl + , (c) BrO2 -
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