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1 answer:
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An electron is emitted from a nucleus- State the effect this has on the charge of the nucleus
Answer:
an electron orbiting around the nucleus combines with a nuclear proton to produce a neutron, which remains in the nucleus, and a neutrino, which is emitted. As in positron emission, the nuclear positive charge and hence the atomic number decreases by one unit, and the mass number remains the same.
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Answer:
28.295244 MeV
Explanation:
= Mass of proton = 1.007276 u
= Mass of neutron = 1.008665 u
= Mass of electron = 0.000549 u
Mass of reactant is 4.002604 u
Mass of the products is
(2 because there are 2 of each)
The difference in mass is
So, the work done in MeV would be
The work done required to completely disassemble all the helium is 28.295244 MeV