Group 18.
On the periodic table the elements are called groups.
Ar= argon
Argon is in the third period of the modern periodic table.
Argon is an element of the periodic table.
Argon belongs to the noble gas family on the periodic table.
Argon is a noble gas located in group 18 (or 8A) of the periodic table.
Argon is what Ar stands for on the Periodic Table of elements.
bi and po
groups 3-12 i think
They are organized by atomic number (the number of protons/electrons in the element).
Metal is located throughout the periodic table. The periodic table is based on atomic weight. Metals range from some of the lightest to the heaviest of elements.
Argon (Ar, element number 18) is the last element in the third period of the periodic table.