Neon is an element because it is a pure atom
Opposites attract, like for example magnets, one is positive and the other is negatively charged, they will attract
Liquid :) it goes directly from a solid to a gas. Have a nice day!
The arrangement of particles that make up an ionic compound would be an ionic lattice type of crystal arrangement. An ionic lattice type of structure will be formed due to many of the ionic bonds formed between the oppositely charged ions of the metal and nonmetal.
This is your answer:
-13 degrees C