Name two solid , two liquid and two gaseous elements at the room temperature .

Name one solid , one liquid and one gaseous non-metal.

State the group in modern periodic table where solid, liquid and gaseous elements are present at room temperature.

Name two elements which are liquid at room temperature.

State the group number in the modern periodic table where solid, liquid and gaseous elements are present at ordinary temperature. Identify the solid and liquid elements.

Name two solid non-metal .

Name two gaseous pollutants.