, the common graphical representation
of the relationship
s between the elements
. Elements (such as hydrogen
) are the substances by which different sorts of atom
s are identified; they form compound
s (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.