The name given to group 7 elements in the Periodic Table are halogens.
Halogen
The name given to group 7 elements in the Periodic table are halogens.
Noble Gases
A group.
d-block elements or transition metals
transition metals
transition elements
Assuming the elements in question are the elements in the periodic table of elements, those on the left are considered the noble gases. The periodic table is broken up into categories. They are metalloids, other nonmetals, halogens, noble gases.
There are 118 elements. They are on the Periodic Table.
This is a period.
The Periodic Table of Elements