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hittorf rule
how do you calculate the mass atomic number of an element?
sodium 4-oxo-2-pentenoate
The de-Broglie wavelength associated with a material particle is: (1) Directly proportional to its energy (2) Directly proportional to momentum (3) Inversely proportiona
The maximum number of electrons that can be accommodated in the M th shell is: (1) 2 (2) 8 (3) 18 (4) 32 Ans: 18
list the elements that have all 3 properties: lustre , malleabbility and conductivity
difference between scales and sludge
Definitions A Br ø nsted base a proton acceptor, and Br ø nsted acid is a proton donor. In this definition an acid-base reaction accepts protolysis:
Chemical in cosmetics The phrase cosmetics are taken from the Greek word Kosmetikos. The meaning of this is decorating. Beautifying or enhancing complexion of skin. In middle a
explain Berzelius hypothesis and contradiction of daltons hypothesis with an example
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