There are no states in the picture, but Na should have a "(s)" after it, and Cl2 should have a "(g)" after it. NaCl should have an "(s)". Chlorine is a diatomic element so it has a "2" subscript on it.
Hope this helped! :)
the number of protons and the number of neutrons determine an element's mass number. :D
A and d is physical, b and c is chemical
Ethenol. Which has a molor mass of 44.05 g/mol