Beth has two unlabeled balloons, one filled with hydrogen gas and the second filled with neon gas. Beth also has several chambers filled with various gases and a poster showing the densities of these gases. Select the gas from the poster Beth should use in an experiement to identify the lment in each balloon.

The diagin dilutepage 6 of 12a6a5(a)fluorine, chlorine, bromine and iodine are placed in the same group of theperiodic table.state the common name used to describe elements in this group.(i)state the group in which the elements are placed and explain whythey are placed in that group.(ii)which of the above named elements is a solid at roomtemperature and pressure?