They are called the Halogens. They are group 17 on the periodic table. Flourine is a common example of such gas.
Group 8A, also known as group 18, are very non-reactive. However, they are all gases, not transition metals. Transition metals are the large family of elements in the middle of the table in between groups 2 and 13 (2A and 3A). Group 8A are the noble gases.
it is 35
Noble gases.
Group 18, in the periodic table, is called the noble gases.
The dictionary definition opposite of "inert" is "reactive". Well, "reactive" would be the best one. ^___^"
Halogens, Group 7.
all the metals are reactive but the most reative metal is iron.
Group 8A, also known as group 18, are very non-reactive. However, they are all gases, not transition metals. Transition metals are the large family of elements in the middle of the table in between groups 2 and 13 (2A and 3A). Group 8A are the noble gases.
Noble gases (or group 18 elements)
These elements are francium and lithium.
Group 2, or the alkaline earth metals.
Krypton is a part of the family of elements known as the noble gases. They all lack odor and color, and they are barely reactive.
Noble gases.
The grup 8 elemnts are quite unreactive- the term noble was I think coined for gold and other unreactive metals- and the adjective got re-used- they were once called the inert gases- but this is no longer true as unstable reactive compounds have been made for Argon and the heavier members of the group.
Helium is a Noble Gas in Group O.
Noble Gases
Noble gases.