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What is Allotropy If the change in structure is reversible then the polymorphism is called as 'allotropy'.Allotropy (Gr. allos, other, and tropos, manner) is a behavior exhibi
Q. Isomerism in Coordination Compounds? You have already learnt about isomerism in your earlier studies. The phenomenon of isomerism is not restricted to organic compounds only
Following Hund's rule which element contains six unpaired electron: (1) Fe (2) Co (3) Ni (4) Cr Ans: Cr
Silicon has 4 electrons in the outermost orbit. In forming the bonds: (1) It gains electrons (2) It loses electrons (3) It shares electrons (4) None of these Ans: I
why f elememnts kept sepertaly in periodic table
Q. How reliable are measurements? When scientists glance at measurements they want to know how accurate as well as how precise the measurements are. Accuracy demotes to how c
SULFUR, SELENIUM AND TELLURIUM The elements known commonly as the chalcogens are in the same group (16) as oxygen. They form some compounds same to those of oxygen, but show m
what is mole
Energy of orbit: (1) Increases as we move away from nucleus (2) Decreases as we move away from nucleus (3) Remains same as we move away from nucleus (4)None of the
#question:- What are the theories of catalysis?
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