Of the elements fe, hg, u,te, and y, which is considered a group a, element?

Ineed with a, b, c, d, and e on the long answer

Agas is contained in a thick walled balloon when the pressure changes from 1.21 atm to 2.52 the volume changes from 3.75 l to 1.72 l and the temperature change from 293k to blank k

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change