What is the subscript present in NaCl?

NaCl, or sodium chloride, is commonly known as table salt ... Subscripts show the ratio of atoms of different elements in the compound. Since there are four hydrogen atoms in the molecule, the subscript 4 follows the symbol for hydrogen.

NaCl or sodium chloride, is commonly known as table salt ... Subscripts show the ratio of atoms of different elements in the compound. Since there are four hydrogen atoms in the molecule, the subscript 4 follows the symbol for hydrogen.