"സഹസംയോജകബന്ധനത്തിലെ ആരം" എന്ന താളിന്റെ പതിപ്പുകൾ തമ്മിലുള്ള വ്യത്യാസം
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"Covalent radius" എന്ന താൾ പരിഭാഷപ്പെടുത്തിയത്. |
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വരി 1:
{{Translation}}
സഹസംയോജകബന്ധനത്തിലുള്ള ഒരു
In principle, the sum of the two covalent radii should equal the covalent [[ബന്ധനനീളം|bond length]] between two atoms, ''R''(AB) = ''r''(A) + ''r''(B). Moreover, different radii can be introduced for single, double and triple bonds (r<sub>1</sub>, r<sub>2</sub> and r<sub>3</sub> below), in a purely operational sense. These relationships are certainly not exact because the size of an atom is not constant but depends on its chemical environment. For heteroatomic A–B bonds, ionic terms may enter. Often the polar covalent bonds are shorter than would be expected on the basis of the sum of covalent radii. Tabulated values of covalent radii are either average or idealized values, which nevertheless show a certain transferability between different situations, which makes them useful.
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