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Why a covalent bond is directional?
Covalent bond is formed as a result of pairing of two electrons in atomic orbitals of two atoms. Bond then must lie along the direction of atomic orbital i.e. bond only takes place in the direction of shared pairs of electrons. Hence covalent bonds would have strong directional preferences unlike metallic and ionic bonds.
Express the concentration of a 2.0 M NaOH solution as a mass/volume percent. Can you please explain HOW to get the answer?
hybridisation of o in boric acid
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
how to get the electron configuration
Saytzeff rule - Elimination Reaction As per to that principle, major part is the most substituted alkene that is , major product is obtain by elimination of H
How to prepare my seminar paper ?
Q. Describe Lime-soda method for softening of hard water. Discuss the advantages of the process and the chemistry involved in it.
Simultaneous determination of exact position and momentum of an electron is: (1) Possible (2) Impossible (3) Sometimes possible sometimes impossible (4) None of the ab
electronic vinyas of led
For a given value of quantum number l , the number of allowed values of is given by: (1) l+2 (2) 2l+2 (3) 2l+ 1 (4)
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