Balancing Chemical Equations-March 2025

Front

What is the Law of Conservation of Mass?

Back

It states that matter cannot be created or destroyed.

Front

H₂O is an example of an:

Back

compound

Front

Write out and balance the chemical equation: Beryllium Phosphate and Sodium Bromide react to produce Beryllium Bromide and Sodium Phosphate.

Back

Be₃(PO₄)₂ + 6NaBr → 3BeBr + 2Na₃PO₄

Front

What is the left part of a chemical equation called? 2H₂ + O₂ → 2H₂O

Back

Reactants

Front

What is the little number after an element in a chemical equation called? Example: H₂

Back

Subscript

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What are products in a chemical equation?

Back

Substances formed as a result of a chemical reaction.

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate the number of molecules.

Front

What does it mean to balance a chemical equation?

Back

To ensure that the number of atoms of each element is the same on both sides of the equation.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded.