The group of particles having greatest mass among the given options.
Answer to Problem 1QQ
Among the given options, the group of particles that has the greatest mass is (c) four individual protons.
Explanation of Solution
Introduction:
The mass of particles is generally expressed in
A helium nuclide has a mass 4.002602 u
The mass of a proton in atomic mass units is 1.007276 u. Therefore, the mass of 4 protons is
The mass of an electron is 0.00054858 u. The mass of 4 electrons is
Conclusion:
Thus, it can be seen that the mass of 4 protons (4.0291 u) is the greatest among the three groups given. Hence the correct option is (c).
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