Gas is squeezed into a small container is it compressibility or heat of combustion

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.