Chemistry, asked by Shobhit1903, 1 year ago

2,3,4
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Answered by Anonymous
0
hlo frd here is your ans
=> (2) According to a table in my physics book, the mass of an electron is 9.11 * 10^-31kg. The mass of a proton is 1.67265 * 10^-27 kg. 

Ratio = 9.11 * 10^-31 ÷ 1.67265 * 10^-27 

This is approximately 0.0005.
=> (3)
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