What are three ways that a solid, liquid, gas and plasma are different?

like, plasmas have no fixed shape or volume, and are less dense then solid or liquids but unlike ordinary gases, plasma are made up of atoms in which some or all of the electrons have been stripped away and positively charged nuclei, called ions, roem freely

answer; i believe that the correct answer is (a) potassium(k)

i think its 100

i hope this !