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The energy of an electron revolving in n th Bohr's orbit of an atom is given by the expression; (1) E n = 2Π 2 me 2 z 2 /n 2 h 2 (2) E n = 2Π 2 m
why lanthanide series is called lanthanide?
does lowered pH of water affect dissolved oxygen?
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how to select a parent chain
A covalent bond is likely to be formed between two elements which: (1) Have similar electronegativities (2) Have low ionization energies (3) Have low melting points (4
Just like lithium and beryllium in Groups Land 2, boron also shows anomalous behaviour. In general, the boron chemistry resembles that of silicon (occupying a diagonal position in
Q. Describe Peroxomonosulphuric Acid? It is also known as permonosulphuric acid. It is obtained by the action of chlorosulphuric acid on cold anhydrous hydrogen peroxide :
The amount of electricity required to produce one mole of copper from sulphate solution will be how many faradays? Ans) 2 faraday of electricity is required to produce one mol
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