Afriend is trying to describe a material to you. which of the following is not a description of a physical property of the substance? a. is red in color. b. is magnetic. c. en combined with water, it fizzes. d. melts at 240 c.

The answer for it is C. when you mix it with water it fizzes

idk i’m struggling too

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.