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The covalency of nitrogen in HNO3 is:
(1) 0
(2) 3
(3) 4
(4) 5
Ans: 5
give an example of a compound whose empirical formula & molecular formula are same.
How to prepare my seminar paper ?
The distribution of electrons into Hybrid orbitals is as per the Paulis Exclusion principle and the Hunds rule of Maximum Multiplicity.
The Bohr orbit radius for the hydrogen atom (n=1) is approximately 0.530 Å . The radius for the first excited state (n=2) orbit is: (1) 0.13Å
list of all isotopes
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