D and f block elements

P block elements

P block elements

In s - and p -block elements the OS . changes in 2 units, but in transition elements it changes it chnages in units of one.(T/F)

Dihydrogen form three types of hydrides. (i)___ hydrides are formed by alkali metals and alkaline earth metals. (ii)___ hydrides are formed by non-metals and (iii)___ hydrides are formed by d abd f-block elements at elevated temperature. Complex metal hydrides such as (iv)___ and (v)___ are powerful reducing agents.

The correct configuration of f-block elements is

Why the f -block elements are called inner transition elements?

Give four characteristics of f -block elements.

Give general electronic configuration of f -block elements.

Why lanthanoids and actinoids are called f-block elements?