Noble gases. Group 18. ;]
All the noble elements to the far right of the periodic table have their s and P sublevels in their valence shell filled, hence they are nonreactive.
The Periodic Table of Elements
groups
groups
mendeleev's name for a column of elements was groups.
Groups. Elements in the same group have similar electronegativity properties.
I do not know the name of the metal, witch is NONREACTIVE. I know that only noble gases witch are nonreactive.
A nuclear family consists of a mother, father, and kids.
Group.
it is the name of the electron subshell that it ends in.
it is group 18 and is part of the non-metals.
The representative elements are in the groups 1,2, 13-18; the name is given to make a difference toward transition metals.