This element is actinium (Ac).
The atomic number of thorium, Th, is 90 and it is an inner transition element in the Actinide series. The Actinide series is the second of the two series shown by themselves. It starts Actinium, Thorium, Protactinium, and Uranium, so Thorium is the second element in the Actinide series.
If you are referring to capital "C", is starts for the element carbon.
Halides are elements that include an halogen element in them. Halogen are all the element in the column that starts with fluorine. Example: AgF, NaCl, CuCl2, etc.
Beryllium, Gallium, Palladium, Tellurium, Thallium.
The recently named element copernicuim has the number 112.
· Uranium (U)
· Uranium (U)
There is an element called Yttrium, atomic number 39. Refined uranium ore is called yellowcake.
· Uranium (U) · Ununoctium (Uuo) · Ununpentium (Uup) · Ununseptium (Uus) · Ununtrium (Unt)
uranium
Krypton is an element that starts with K.
Uranium
uranium engerneering
uranium engerneering
uranium ( i think)
Uranium starts with letter U. So, its symbol is U.
uranium