Question

nitrogen atom has an atomic number of 7 and oxygen atom has an atomic number of 8.The total number of electron in a nitrate ion will be​

Answer 1

Number of electrons in nitrogen = 7 and number of electron is oxygen = 8 we know that formula of nitrate ion is NO  

3

−

​  

 

We also know that number of electron  = (1 × Number of electrons in nitrogen) + (3 × number of electrons in oxygen) + 1  = (1 × 7) + (3 × 8) + 1 = 32.  

Hence the answer is 32.

Answer 2

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Explanation