Groups 15, 16 and 17.
Periodic Group 18(0) has all gaseous elements in it, commonly known as the noble, or inert gases.
Noble Gases
Group 3 of the periodic table contains many of the radioactive elements.
Group 16 of the periodic table of the elements (chalcogens elements)
In the Periodic Table of the Elements, a column (group) contains all elements that exist with the group number of electrons in the outer energy level of an atom of that element.
Periodic Group 18(0) has all gaseous elements in it, commonly known as the noble, or inert gases.
Periodic Group 18(0) has all gaseous elements in it, commonly known as the noble, or inert gases.
Group 3, the transition elements.
Noble Gases, Group 8A
Noble Gases
Group 3 of the periodic table contains many of the radioactive elements.
Group 16 of the periodic table of the elements (chalcogens elements)
group 1 elements.
Astatine is a member of the group 17 (halogens) of the periodic table of elements.
In the Periodic Table of the Elements, a column (group) contains all elements that exist with the group number of electrons in the outer energy level of an atom of that element.
Group 18, otherwise known as the noble gases.
Group 3 through Group 13