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Chemical Bonding and Molecular Structure — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryChemical Bonding and Molecular Structure2 Marks
Question
What is the total number of electrons in $\text{NO}^-_ 3?$
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Answer

NO, has 7 + 24 + 1 = 32 electrons
$\because$ 'N' has atomic number 7, therefore 7 electrons, O has 8 electrons, 30 atoms will have 24 electrons. $\text{NO}^-_3$ ions is formed by gaining one electron.

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