Question

With chemistry, is there a way to mathematically find the amount of covalent bonds and lone pair of electrons in a lewis structure, like in pyridine (C5H5N), CH4, or CNNO2? Or do you have to do the lewis structure to find this?

Answer 1

Answer:

The number of bonds for a neutral atom is equal to the number of electrons in the full valence shell (2 or 8 electrons) minus the number of valence electrons. This method works because each covalent bond that an atom forms adds another electron to an atoms valence shell without changing its charge.

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