Description : Why are Lanthanides and Actinides placed separately?
Last Answer : Lanthanides and Actinides are series of elements having similar properties and they are placed at the bottom of the periodic table so that the periodic table can fit on a single page for our convenience. They is more horizontal similarity rather than vertical similarity.
Description : What is the difference between the lanthanides and actinides?
Last Answer : Wht is the difference between Lanthanides and Actinides?
Description : The lanthanides are placed in the periodic table at :
Last Answer : The lanthanides are placed in the periodic table at : a. left hand side b. right hand side c. middle d. bottom
Description : Which are the Actinides elements with atomic numbers?
Last Answer : From 89 to 103
Description : Most of the new atoms formed when atoms in a nuclear reactor capture neutrons without fissioning are: w) fission products x) activation products y) actinides z) lead isotopes
Last Answer : ANSWER: Y -- ACTINIDES
Description : In a spent fuel assembly, the radioactive elements having the longest half-lives are the: w) fission products x) actinides y) activation products z) radioisotopes of lead
Last Answer : ANSWER: X -- ACTINIDES