Question

he final electron in inner transition metals enters the a. p sublevel. c. d sublevel. b. s sublevel. d. f sublevel.

Answer 1

Option d. f sublevel

Step-by-step explanation:

Inner transition elements includes:

Lanthanides

Actinides

Lanthanides includes elements having atomic number ranges from 52-71.

Actinides includes elements having atomic number ranges from 89-103.

Actinides and lanthanides have been placed separately in two rows below all the other elements.

General electronic configuration of lanthanides:
`4f^(1-14)5d^(0-1)6s^2`

General electronic configuration of actinides:
`5f^(1-14)6d^(0-1)7s^2`

As last electrons enters in f sub shell or sublevel, these elements are also called f-block elements.