Object Prediction: Conductor or Insulator?
Result: Conductor or Insulator?
rubber band
penny
nickel
toothpick
key
DE
paper clip
brass paper fastener
glass microscope slide
(your choice)
(your choice)
or Teacher Worksheets.
www. superteacherworksheets. com

the correct answer is:

a. formation of precipitation

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.