Lanthanides and actinides are also called

Question

Lanthanides and actinides are also called (A) short periods (B) inner-transition elements (C) long periods (D) main transition elements

Tardigrade Admin · Accepted Answer

Lanthanides and actinides contains partially filled f-subshell of the antepenultimate (inner to the penultimate shell, i.e., n-2 ) shell, so these are known as f- block elements or inner-transition elements.

Q. Lanthanides and actinides are also called

short periods

inner-transition elements

long periods

main transition elements

Lanthanides and actinides contains partially filled f-subshell of the antepenultimate (inner to the penultimate shell, i.e., $n - 2$ ) shell, so these are known as $f -$ block elements or inner-transition elements.

Q. Lanthanides and actinides are also called

short periods

inner-transition elements

long periods

main transition elements

Lanthanides and actinides contains partially filled f-subshell of the antepenultimate (inner to the penultimate shell, i.e., n−2 ) shell, so these are known as f− block elements or inner-transition elements.

Lanthanides and actinides contains partially filled f-subshell of the antepenultimate (inner to the penultimate shell, i.e., $n - 2$ ) shell, so these are known as $f -$ block elements or inner-transition elements.