Question 781
In which block of the periodic table are the lanthanoids and actinoids located?
Question 782
What is the name given to the fourteen elements that follow actinium in the periodic table?
Question 783
What is the name given to the fourteen elements that follow lanthanum in the periodic table?
Question 784
What is the general symbol commonly used to represent any lanthanoid element in chemical discussions?
Question 785
Which element is specifically mentioned as being included in discussions of the actinoid series despite not being an actinoid itself?