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Q. Early Theories of Matter?
In ancient Greece philosophers discussed the nature of matter. The philosopher Democritus held that matter was composed of elementary particles called atoms in otherwise empty space. Over two thousand years would pass previous to the existence of the atoms was proven.
The maximum number of electrons which each sub-shell can occupy is: (1) 2n 2 (2) 2n (3) 2 (2l+1) (4) (2l+1) Ans: 2
the reaction equations for the dissociation of dithzone into chelate anions and the formation of metal-dithizone chelates
DISCUSS THE THEORY OF SOFT AND HARD ACID AND BASE
E1cb means elimination, unimolecular, of the conjugate base. This type elimination proceeds through the carbanion mechanism. An carbon compound, acting as an acid, is attacked by
similarity between later actinide and later actinide
conclusion for assignment on topic applications of colloids
Classification of polymers - Fibres These are the polymers that comprise strong intermolecular forces among the chain. These forces are either hydrogen bonds or dipole-dipole i
construction of dry cell
Qualitative analysis- Criteria of purity of organic compound The qualitative analysis of an organic compound includes the detection of all the elements that are present in it
Higher fatty acids - Carboxylic acids Stearic, Palmitic, and oleic acids are found in natural fats and oils like glyceryl esters. Higher fatty acids derived their names from
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