because the elements can combine in many different ways and thus there are nearly unlimited possible compounds.
The periodic table is a list of all of the known elements that make-up everything in the universe. Metal is made of those elements, just like every thing else.
Now the periodic table is limited to 118 elements.
Everything on The Periodic Table is an element, hence the the name PERIODIC TABLE OF ELEMENTS - - - - - Well...the paper the table is printed on and the ink used to print it with are not elements, but everything else is.
The periodic table of elements
Basic information about and classifications of gallium are on the periodic table.
A Periodic table The Periodic Table of the Elements.
atomic number
An element is a substance that cannot be broken into simpler substances by chemical methods, such as Neon or Oxygen.The periodic table contain all known chemical elements.
It is called the Periodic Table of Elements.
By grouping the elements on the Periodic Table.
See the link below fot the IUPAC model of the periodic table of elements.
Elements of the Periodic Table