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An oil drop has 8.0 xx 10^(-19)C charge....

An oil drop has `8.0 xx 10^(-19)C` charge. How many electrons does this oil drop has?

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Charge on the oil drop `= 8.0 xx 10-^(19) C`
Charge on the electron `= 1.6 xx10^(-19) C`
we know that q = ne,
`n= (q)/(e )= (8 xx 10^(-19))/(1.6 xx 10^(-19) )=5`
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NARAYNA-STRUCTURE OF ATOM-EXERCISE - IV EXEMPLAR PROBLEMS
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  5. Which of the following statements about the electron is incorrect?

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  6. Which of the following properties of atom could be explained correctl...

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  11. Total number of orbitals associated with thrid shell will be.....

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  13. Isodiapheres are the atoms of two elements having same values of:

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