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Xenon
Word count: 619 | Approximate pages: 3
is element number 54 on the periodic table of the elements. It has a
mass of roughly 131 atomic mass units. There are 77 neutrons and 54 protons in
the nucleus of the atom. The symbol for is Xe and it belongs to the
family of elements called the noble gases. It is called a noble gas because the
valance shell of one atom contains a full shell. Xenon is one of the most
stable elements on the table. The 54 electrons are arranged, so that there are
2 in the 1st shell, 8 in the 2nd, 18 in the 3rd, 18 in the 4th and lastly 8 in
the 5th shell ....
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