The nitrate ion has 24 valence electrons.
The nitrate ion valence electron is calculated by the number of available electrons of nitrogen and oxygen with the help of a periodic table:
Nitrate ion: NO₃⁻
N = nitrogen
O = oxygen
N(available electrons) = 5
O(available electrons) = 6
Valence electron(NO₃⁻) = N(available electrons) + O(available electrons) * 3 + No. ions
Valence electron(NO₃⁻) = 5 + 6 * (3) +1
Valence electron(NO₃⁻) = 5 + 18 +1
Valence electron(NO₃⁻) = 24
The electrons are the smallest of particles that are negatively charged and they can be either bound to an atom or free.
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