Balancing chemical equations - easy

Front

What does CaCO₃ represent in chemistry?

Back

CaCO₃ represents a chemical formula.

Front

What is the term for the little number after an element in a chemical equation?

Back

The little number is called a subscript.

Front

In the equation Fe + S → FeS, what are Fe and S considered?

Back

Fe and S are the reactants.

Front

How many Iron (Fe) atoms are in the formula Fe₄O₃?

Back

There are 4 iron atoms.

Front

In the compound 3 Cr(MnO₄)₆, how many Mn atoms are present?

Back

There are 18 Mn atoms.

Front

What is a coefficient in a chemical equation?

Back

A coefficient is a number placed in front of a compound to indicate how many molecules are present.

Front

What is the purpose of balancing a chemical equation?

Back

The purpose is to ensure that the number of atoms for each element is the same on both sides of the equation.

Front

What does the arrow (→) in a chemical equation signify?

Back

The arrow signifies the direction of the reaction, indicating reactants turning into products.

Front

What are products in a chemical reaction?

Back

Products are the substances formed as a result of a chemical reaction.

Front

What is the difference between a reactant and a product?

Back

Reactants are the starting materials in a chemical reaction, while products are the substances produced.