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An element has the electronic configuration 1s2, 2s2, 2p6, 3s2, 3p2. Its valency electrons are:
(1) 6
(2) 2
(3) 3
(4)4
Ans: 4
description about an electron''s movement
It is a phenomenon in which compounds have same moleculer formula but different structural formula due to which they posses different physical and chemical properties.
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Q. Describe Water and Heavy Water? Water, H 2 O, the simple hydride of oxygen is a unique compound. It has extraordinarily high melting and boiling points compared to the other
a) During coagulation, the colloidal particles stay un-aggregated because: b) The aim during water softening is to precipitate calcium and magnesium as calcium carbonate and mag
PbO2 + Cl_ gives Pb(OH)3_ + ClO_
application of matlab in analytical chemistry
i wnted a project on the topic law of chemical combinations which will include intro, theory nd sm pics. ....... plz. i need it by 14th of june plz. help me out
glutamic acid standard estimation protocol
Discuss the ion exchange process of water softening. Give an account of the variety of mechanisms of Lubrication. Write notes on bulk and solution polymerization techniques.
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