Give the total number of valence electrons in NH3.
Question
Give the total number of valence electrons in NH3.
Solution
To find the total number of valence electrons in NH3 (Ammonia), we need to add up the valence electrons from each atom in the molecule.
- Nitrogen (N) is in Group 15 (or V) on the periodic table, so it has 5 valence electrons.
- Hydrogen (H) is in Group 1 (or I) on the periodic table, so it has 1 valence electron. But there are three Hydrogen atoms in NH3, so we multiply 1 by 3 to get 3 valence electrons.
Adding these together, NH3 has a total of 5 (from N) + 3 (from 3H) = 8 valence electrons.
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