Question 661
What is the melting point range for most lanthanoids?
Question 662
What happens to the hardness of lanthanoids as atomic number increases?
Question 663
What is the general appearance of lanthanoids?
Question 664
What is the electronic configuration of Lutetium (Lu) for its Ln³⁺ ion?
Question 665
What is the electronic configuration of Ytterbium (Yb) for its Ln³⁺ ion?