Millikan’s Oil Drop Method
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How many neutrons and protons are there in the following nuclei?
`""_6^13C`, `""_8^16O`, `""_12^24Mg`, `""_26^56Fe`, `""_38^88Sr`
Find (a) the total number and (b) the total mass of protons in 34 mg of NH3 at STP. Will the answer change if the temperature and pressure are changed?
Find (a) the total number and (b) the total mass of neutrons in 7 mg of 14C.
(Assume that mass of a neutron = 1.675 × 10–27 kg).