Rajaa
Hakutulokset: 9780199779888
Rajaa
yksi hakutulos.
Much Ado about (Practically) Nothing
e-kirja,
2010,
englanti,
ISBN 9780199779888
There are eight columns in the Periodic Table. The eighth column is comprised of the rare gases, so-called because they are the rarest elements on earth. They are also called the …