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why YbS and YbI2 are semiconducting solids but LaS and LaI2 show metallic character..
what rules and principles are violated in the following electronic configuration: 1s22s3
what is law of defenit propotion
what are the principle underlying the extraction of metals
wht is the difference between molar mass & molecular mass?
In polar covalent molecule, one atom gets positive charge and the other one takes negative charge as known as dipole.
Protein determination In experimental chemistry, biochemistry, biology and biotechnology, it is often vital to know the amount of protein present in a solution. For instance yo
A solution is made by dissolving30 g of a non-volatile solute in 90 g of water. It has a vapour pressure of 2.8 kPa at 298 K. At 298 K, vapour pressure of pure water is 3.64 kPa
GROUP 2: ALKALINE EARTHS The elements known commonly as alkaline earths have atoms with the (ns) 2 design and almost always have the +2 oxidation state in their compound
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