In
chemistry, the common
graphical representation of the
relationships between the
elements. Elements (such as
hydrogen or
oxygen) are the substances by which different sorts of
atoms are identified; they form
compounds (hydrogen and oxygen combine to form
water, the compound
H2O). Images of the
periodic table can be found at www.chemicalelements.com and www.webelements.com
Navigating the Periodic Table
From the second row on, the first element is of the group known as Alkali Metals.
The second element in each row is of the group known as Alkaline Earth Metals.
The last element in each row is of the group known as Noble Gases.
Elements in other positions are variously categorized as Non-metals, Transition Metals, Metalloids, or Halogens.
The sixth row, third column, includes the Lanthanide Series of 15 elements.
The seventh row, third column, includes the Actinide Series of elements.
Lanthanides and Actinides are categorized as Rare Earths.