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The expression for Bohr's radius of an atom is: (1) r= n 2 h 2 / 4 Π 2 me 4 z 2 (2) r= n 2 h 2 / 4 Π me 2 z 2 (3) r= n2h2/4 Π me 3
The most important classification of elements is that of non-metallic versus metallic. Metallic elements form solids that are good conductors of electricity, and where bonding is n
chemical balancing equations very easy
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at what temperature centigrade will the volume of a gas at 0 degrees Celsius double itself pressure remaining constant
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GLASS: Glass is amorphous solid which is not true solid, it is rather super cooled liquid which possesses a very high viscosity. It has no fixed melting point, on heating graduall
Write the periods of periodic table have d-block element
Metal absorption by reusable material ?
what is colloids
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