What would be the new volume if the temperature of 450 mL of gas is changed from 45 C to -5 C?

What are the choices?

They both go downwards and the can break apart rocks 

Deposition  is  change of state has the wrong energy change listed 

So the main goal for the elements is stability which is a complete/full valence shell and typically the magic number for a stable element is 8 valence electron but not always. so elements to the left of the periodic table tend to be way less stable then those on the right, so the elements on the left are much more reactive.