What do you call this process that happened in crayons and candles where it’s liquid phase turned into solid?

C3h8o3 - glycerol major species present when dissolved in water

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d

Which of these is a physical property