How many total valence electrons are there in a molecule of NO3-?Include bonding electrons and any lone pairs. Provide a whole number.
Question
How many total valence electrons are there in a molecule of NO3-?Include bonding electrons and any lone pairs. Provide a whole number.
Solution
To calculate the total number of valence electrons in a molecule of NO3-, we need to add up the valence electrons from each atom in the molecule.
- Nitrogen (N) has 5 valence electrons.
- Oxygen (O) has 6 valence electrons. Since there are 3 oxygen atoms in the molecule, we multiply 6 by 3 to get 18.
- The molecule has a charge of -1, which means there is an extra electron, so we add 1.
Adding these together, 5 (from N) + 18 (from 3O) + 1 (from the charge) = 24 total valence electrons in a molecule of NO3-.
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