You have a block of dry ice (-40°c), an ice cube (-5°c) and alcohol (15°c). in which one do molecules move the fastest?
a. ice cube
b. dry ice
c. water
d. alcohol

did anyone actually do this? like if anyone has submitted this i rly need .

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.