How did sodium and hydrogen chloride change into two different substances?

Sodium metal reacts with hydrochloric acid to produce salt and hydrogen gas. This means that your reactants will be sodium metal and hydrochloric acid, since these are the substances that are being transformed to form salt and hydrogen gas.

Explanation:

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

i don't know people like to fight everywhere rip.