The chart above shows the relative abundances of the elements in the solar system. We know that the elements were formed by
nuclear reactions within stars. The elements hydrogen to iron were formed by nuclear fusion, while elements larger than iron were
most likely formed by nuclear fission. A trend can be found on the graph, with a few exceptions, showing that elements with an even
atomic number tend to be more abundant than elements with an odd atomic number. What is the most viable reason for explaining
why this phenomenon exists?
A)
B)
It is just coincidental that the even atomic numbers are more abundant
than the odd atomic numbers, therefore, no logical reason exists.
An even atomic number gives an element more stability due to the equal
pairing of protons inside the nucleus resulting in somewhat of an
equilibrium to the nuclear forces.
Nuclear fission results in most of the element formations, and during this
process, only elements with an even atomic number can be formed due the
equal splitting of the nucleus by the neutron collision
The element with the greatest abundances were formed by way of nuclear
fusion, and the energy release from the nuclear fusion of two elements will
cause an equal distribution of nucleons to balance the nuclear forces
Inside the nuclei
D)
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