Question

charlie is balancing an equation. she has identified the atoms and counted the number of each in the reactants and products. what would charlie adjust to make the number of atoms in the reactants the same as the number of atoms in the products?

• coefficients
• subscripts
• superscripts
• parentheses

Explanation:

To balance a chemical equation, we adjust coefficients (the numbers in front of compounds/elements) to ensure the same number of each atom in reactants and products. Subscripts represent the number of atoms in a molecule and can't be changed (as that would change the substance). Superscripts are for charge (in ions) or isotopes, and parentheses group atoms in a formula, neither of which are used for balancing atoms in an equation. So the correct choice is coefficients.

Answer:

A. coefficients