What elements form nonpolar covalent bonds?

1 Answer
anor277
Dec 5, 2016

"Homonuclear diatomics.........."; the first 9 elements for a start.

Explanation:

"Dihydrogen, dihelium cation, dilithium, diberyllium, diboron,"
"dicarbon, dinitrogen, dioxygen, difluorine".

Now you could only put four of these molecules in a bottle, which ones? However, I think all of these beasts have been observed spectroscopically. For a homonuclear diatomic, as each element is identical and necessarily has the SAME electronegativity, there can no "bond polarity", no unequal sharing of electron density.

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