Actinides group
Americium belongs to the actinide element family, which is a group of radioactive elements found in the actinide series of the periodic table. Actinides are characterized by their high atomic numbers and radioactivity. Members of this family include uranium, plutonium, and thorium.
Helium is located in period 1 on the periodic table.
group 15 period 6
Helium is located on the group 18 and period 1 on the modern periodic table.
Fe is the chemical symbol for iron, a transition metal. It is located in Group 8 (VIII) and Period 4 of the periodic table.
Americium is a member of the actinides group.
Period #7
Americium is a member of the actinides group.
Americium (Am) is a member of the actinoids family.
Americium is a member of the actinides group.
Americium is a member of the actinoids family of chemical elements, period 7 of the periodic table of Merndeleev.
actinides group
The element phosphorous (P) is located in group 15, period 2.
Actinides group
Oxygen is located in Group 16 (also known as Group VIA) and Period 2 on the periodic table.
Americium is a metal, artificial, radioactive, toxic, unstable, member of the actinides group.
Americium is in the Actinide family of elements. It is a synthetic element with the symbol Am and atomic number 95. Actinides are a series of elements in the periodic table that have properties similar to actinium.