Sort the following chemicals for their ability to act as an oxidizer. list from strongest to weakest; 1 being strongest, 6 being weakest. (1-6) ag ni k au cu ca

1.) K - potassium
2.) Ca - calcium
3.) Ni - nickle
4.) Cu - copper
5.) Ag - silver
6.) Au - gold

following the reactivity series from most to least reactive.

1.from liquid state to gaseous state is evaporation 3.solid to liquid is melting 5. solid to gaseous state is sublimation 6. gas to solid state is decomposition 7. a change of state is known as the states of matters

Yes it would be a physical change.