The group of the periodic table which contains elements in gaseous, liquid and solid state at room temperature is
Identify the elements in the Periodic Table that are liquid at room temperature.
How many elements are there which are in gaseous state at room temperature?
(b) (i) Metals are generally solid at room temperature. Name the metal which is liquid at room temperature (say 25° C). (ii) Which element is the most reactive element of Group 1(IA) elements?