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Q. Show General Characteristics of group16?
The valence shell electronic configuration of Group 16 elements is ns2, ns4. These elements tend to gain inert gas configuration by accepting two electrons and forming E2- anions (E=O. S, Se & Te) or by sharing two electrons in forming two covalent bonds.
History of periodic table
Q. What is Base units? There are seven base units given in SI. A base unit is a unit of calculate that is based on an object or event in the physical world. Lists of the seve
if the electon in hydrogen atom is exited to n=5 the number of diffrent frequency of radiations which may be exited is
Formation of proteins-peptide bond: Proteins are made by joining the carboxyl group of one amino acid to the α-amino group of other amino acid. The bond build among two amino a
disadvantages of sludge formation
Freons - Halogen Derivatives The chloro fluoro that is derivatives of methane and ethane are called freons. Some of the derivatives are: CHF 2 Cl (monochlorodifluoromethane)
how to calculate equivalent weight of LMnO4
Q. Define Taste sensitivity? The concentration of a substance (in saliva) required to trigger the sensation of taste is much higher than the concentration of a substance (in ai
what are ion? under what conditions are they produced?
Lithium hydration energy
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