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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.
Calibration
perkin ring clousre reaction
While studying evolution, a student comes across a cladogram that includes clades like amphibia, reptilia, aves, and mammalia. What must be the basal clade?
how electrode potential through nernst equation can be determind/
It is a part of chemistry which deals with the organic compounds formed by carbon , hydrogen ,oxygen.
how alkenes oxidise with potassium
Limitations of second law of thermodynamics
a bacterial culture isolsted from sewaga produces36.4cm of methane gas at 27C and 760mmHg this gas occupies 33124cm at 0c and same pressure explainvolume temperature relation ship
what is meant by abnormal molecular mass ?
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