inner transition metals

1which of the following elements is only made in a laboratory

ferinium

neodymuium

cerium

thorium

2 which of the following is an inner transiation metal

uranium

osmium(Os)

hafnium (Hf)

radium (Ra)

3 what are elements with atomic numbers greater than 92 called

radioactive

actnide

lanthanide

transuranium

4 which of the following best describes the element lanthanum

nonmetal

radioactive

inner transition metal

transuranium

5 which of the following is a metal from lanthanide series