Question

Two Questions...

Which of the following is true of the inner transition metals?

They are all synthetic.
Many are radioactive.
They are all made only in the laboratory.
They are all of great importance commercially.

and

Which of the following is a characteristic that is unique to transuranium elements?

They are radioactive.
They are inner transition metals.
They are not found in nature.
They are always found in minerals with other elements.