Q. In general, the melting and boiling points of transition metals

1536 286 The d-and f-Block Elements Report Error

A

increases gradually across the period from left to right

21%

B

decreases gradually across the period from left to right

14%

C

first increases till the middle of the period and then decreases towards the end

54%

D

first'decreases regularly till the middle of the period and then increases towards the end

11%

Solution:

Factual questions