Many people do to determine which element is in a substance ex: me, scientists
In more than 150 years the periodic table had many versions; hundred versions of this table are known. The sole official table is today the IUPAC Periodic Table.
There are 91 metals in the periodic table today, but new ones are added as time passes.
it is a elements in periodic table and it is a metals
well every known materialthat we asociate with is listed in the periodic table.
A group is a column in the periodic table of elements.
Henry Moseley
all family of periodic table thier properties and uses
Dmitri Mendeleev.
Today (June 2013) the periodic table contain 118 chemical elements, natural or artificial.
A Periodic table The Periodic Table of the Elements.
atomic number