Thorium is a member of the actinoids family.
Thorium (Th) is a member of the actinoids family.
Thorium is a member of actinoids family.
Uranium and thorium are in the actinoids family.
Thorium is a member of the actinoids family.
Thorium is a member of the actinoids family; it is also placed in the period 7 of the periodic table of Mendeleev.
Thorium is a member of the actinoids family; the atomic number is 90.
Thorium is a member of the actinoids family and is placed in period 7.
Thallium (Tl) belongs to the Group 3 - Boron Family of elements. In the new IUPAC grouping, The Boron family is now Group 13.
Common compounds of thorium: thorium dioxide, thorium trifluoride, thorium tetrafluoride, thorium tetrachloride, thorium triiodide, thorium diiodide, thorium tetraiodide, thorium nitrate, thorium oxalate, thorium carbide, thorium sulfides, thorium nitride, thorium oxinate, etc.
Thorium belongs to the actinide series of elements. Its family members include uranium, plutonium, and curium. These elements share similar chemical and physical properties due to their placement in the same group of the periodic table.
Thorium is a member of the actinoids family, period 7 in the periodic table of Mendeleev. The half life of 232Th is 1,405.1010 years.
Thorium and fluorine Thorium trifluoride - ThF3 Thorium tetrafluoride - ThF4