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NCERT Class XI Chemistry Structure of Atom Solutions

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Question : 38 of 67
Marks: +1, -0
A certain particle carries 2.5 × 10−1610^{-16} C of static electric charge. Calculate the number of electrons present in it.
Solution:  
Charge of one electron = 1.602 × 10−1910^{-19} C
Number of electrons present = 2.5×10−161.602×10−19\frac{2.5\times10^{-16}}{1.602\times10^{-19}} = 1.56 × 10310^3
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