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Identify the element by its atomic structure?(a) Hydrogen(b) Helium(c) Carbon(d) OxygenThis question was posed to me at a job interview.Enquiry is from Atomic Structure in portion Nuclear Power Plant of Energy Engineering

Answer»

The correct choice is (B) Helium

The EXPLANATION is: The masses of three atomic sub-particles are,

NEUTRON mass, MN = 1.008665 amu

Proton mass, mp = 1.007277 amu

Electron mass, me = 0.0005486 amu.



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