The Noble Gases
 
Six elements have a valence of zero. These six elements are: helium, neon, argon, krypton, xenon, and radon. These six elements make up a family of elements known as the noble gases.

The periodic table has seven rows. The last row of the periodic table is incomplete. Each of the six completed rows of the periodic table ends with a noble gas element.


Noble gas atoms are shaped like regular solids (except for helium).


Helium is element two. A helium atom is made up of two deutons or one deuton and one proton. A helium atom is dumbbell-shaped.


Neon is element ten. A neon-20 atom is made up of ten deutons. A neon-20 atom is a helium atom surrounded by four pairs of deutons. The four pairs of deutons are located at the corners of a tetrahedron.


Argon is element 18. An argon atom is made up of 18 deutons and tritons. At the middle of an argon atom is a helium atom. The helium atom is surrounded by eight pairs of deutons and tritons. The eight pairs are located at the corners of the cube.


Krypton is element 36. A krypton atom is made up of 36 deutons and tritons. At the middle of a krypton atom is an argon atom. The argon atom is surrounded by six triplets of deutons and tritons. The six triplets are located at the corners of an octahedron.


Xenon is element 54. A xenon atom is made up of 54 deutons and tritons. At the middle of a xenon atom is an argon atom. The argon atom is surrounded by twelve triplets of deutons and tritons. The twelve triplets are located at the corners of an icosahedron.


Radon is element 86. A radon atom is made up of 86 deutons and tritons. At the middle of a radon atom is a xenon atom. The xenon atom is surrounded by eight quartets of deutons and tritons. The eight quartets are located at the corners of a cube.


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