Certainly! In the chemical equation you provided, we can identify the parts as follows:
-
Reactants: The substances that are present before the reaction occurs. In your equation, the reactants are 2 HCl (hydrochloric acid) and 2 Na (sodium).
-
Products: The substances that are formed as a result of the chemical reaction. In your equation, the product is NaCl (sodium chloride), which you noted as "Number two in a C plus H with a small two on the bottom," although it seems you might have meant NaCl with a subscript indicating the number of hydrogen atoms (H₂), depending on the intended product.
-
Coefficients: The numbers before the chemical formulas that indicate the number of moles of a substance involved in the reaction. In your equation, the coefficients are 2 in front of HCl and 2 in front of Na.
-
Subscript: The small numbers written to the right of the chemical symbols to indicate the number of atoms of each element in a molecule. In your case, the subscript 2 in H₂ indicates that there are two hydrogen atoms in that molecule.
Putting it all together:
- Reactants: 2 HCl + 2 Na
- Products: NaCl + H₂
- Coefficients: 2 in front of HCl, and 2 in front of Na
- Subscript: 2 in H₂
I hope this helps clarify the components of your chemical equation!