Reactivity is a chemical
property of a substance. According to EPA regulations, it is normally unstable
and readily
undergoes violent change without
detonating. it can explode or violently react when exposed to water, when
heated, or under STP.
In a crystal, the molecules are closer together as they are in any solid. they have less room to move, and might even be combined together rather than individual
Answer:
physical change because even though gas formation was observed the water was undergoing a state change which means that it's original properties are preserved
Answer:
the cold one is going to have a faster reaction time
Explanation:
They fuse helium into carbon. Hope it helped
