Lanthanides and actinides are also called as

Question

Lanthanides and actinides are also called as (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 antipenultimate (inner to the penultimate shell, ie, n-2 ) shell, so these are known as f- block elements or inner-transition elements.

Q. Lanthanides and actinides are also called as

short periods

inner-transition elements

long periods

main transition elements

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

Q. Lanthanides and actinides are also called as

short periods

inner-transition elements

long periods

main transition elements

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