How many total valence electrons are there in a molecule of HCO3-?Include bonding electrons and any lone pairs. Provide a whole number.
Question
How many total valence electrons are there in a molecule of HCO3^-? Include bonding electrons and any lone pairs. Provide a whole number.
Solution
To find the total number of valence electrons in a molecule of HCO3-, we need to add up the valence electrons from each atom in the molecule.
Here's how:
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Hydrogen (H) has 1 valence electron.
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Carbon (C) has 4 valence electrons.
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Oxygen (O) has 6 valence electrons. But since there are three oxygen atoms in the molecule, we multiply 6 by 3 to get 18.
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The molecule has a charge of -1, which means there is one extra electron.
So, if we add all these up: 1 (from H) + 4 (from C) + 18 (from 3O) + 1 (from the charge) = 24.
Therefore, there are 24 total valence electrons in a molecule of HCO3-.
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