Nitrogen atom has an atomic number of math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_ch...

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Nitrogen atom has an atomic number of math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymn7/mn/math and oxygen has an atomic number math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymn8/mn/math . The total number of electrons in a nitrate ion \( \left(\mathrm{NO}_{3}{ }^{-}\right) \)will be
(1) math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymn8/mn/math
(2) math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymn16/mn/math
(3) math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymn32/mn/math
(4) math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymn64/mn/math
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