Ununhexium is the heaviest metal in the Periodic Table of elements. It is man made however, so it might not count. The heaviest natural metal might be Radium.
"Br" stands for Bromine in the periodic table.
Plutonium is a member of the actinoids family.
Group ONE - this group is called the Alkali metal group
Group 15, the formal name being the Pnictogens. Group 15 was formerly called Group V or VA.
Silicon is in Group 14 of the periodic table, which is known as the Carbon Group.
This element is francium.
Chlorine is a member of the halogen group on the periodic table. It is located in Group 17 or Group VIIA.
Radon is the heaviest member of the noble gases group.Its position in the Mendeleev Periodic Table of Elements is group 18, period 6, block p.
Einsteinium is a member of the actinides group.
who introduced the first Periodic Table
Francium is amrmber of the alkali metal familiy (group 1 in the Periodic Table of Mendeleev): Li, Na, K, Rb, Cs, Fr.
At the lower right corner of the Periodic Table.
Lawrencium is a member of the actinides group.
Radon is the heaviest member of the noble gases group.Position in the Mendeleev periodic table of the elements: group 18, period 6, block p.
The heaviest element in the periodic table (known in March 2013) is ununoctium.
Osmium
Plutonium is a member of the actinides group.