Because all lanthanide's have almost similar physical as well as chemical properties.
Er: Erbium
Barium oxide
Because of the lanthanide content
f1 to f14
Because all lanthanide's have almost similar physical as well as chemical properties.
its in the Lanthanide series
No. Americium is an actinide.
Er: Erbium
Barium oxide
Yes, lanthanide and Actinides are transition elements and they are specifically called inner transition elements.
Ba on the periodic table is Barium and its atomic number is 56
Neodymium is a lanthanide.
57
15
Because of the lanthanide content
f1 to f14