NaCl
The formula unit (not symbol) of sodium chloride is NaCl.
No, they are not the same thing. Elemental sodium (Na) is a soft silvery metal that violently burns up when water touches it. Sodium Chloride (NaCl) is the scientific name for table salt - the same stuff you put on food.
The formula unit of sodium chloride (NaCl) contain 60,33 % chlorine.
NaCl is the symbol for Sodium Chloride or reqular table salt.
20 moles of elemental sodium and 10 moles of elemental chlorine, which contains two atoms per molecule.
NaCl
Sodium chloride hasn't a hazard symbol or a risk phrase. See also the link below.
Na or Sodium
The chemical formula (not symbol) of sodium chloride is NaCl.
AgCl and NaCl respectively.
The symbol for sodium is Na. The symbol for chlorine is Cl.
I'm not sure I understand the question, but if you're asking what you get when you react elemental sodium (a reactive, caustic metal) and elemental chlorine (a reactive, poisonous, greenish-yellow halogen gas), the answer is sodium chloride, ordinary table salt.