This chemical element is erbium.
Erbium (Er)
This element is lanthanum.
The element with atomic number of 91 is protactinium, Pa. It is an inner transition metal.
Americium is considered an inner transition metal.
Polonium is considered as a post transition metal.
Polonium is considered as a post transition metal.
Yes, actinium is an inner transition metal.
i think its a main-group element. examples of inner transition metals are U
The element is an inner transition metal called lanthanum, with the atomic number 57.
The first transition metal is scandium, Sc, with atomic number 21.
Cerium is an inner transition metal.
Neodymium (Nd) is an inner transition metal with atomic number 60 on the periodic table.