Which block of elements are known as transition elements?
(a) p-block
(b) s-block
(c) d-block
(f) f-block
Which block of elements are known as transition elements?
(a) p-block
(b) s-block
(c) d-block
(f) f-block

Correct option is C

The d-block elements are called transition elements because they exhibit transitional behaviour between s-block and p-block elements.