Front

What are reactants in a chemical equation?

Back

Reactants are the substances that undergo a chemical change in a reaction, found on the left side of the equation.

Front

What are products in a chemical equation?

Back

Products are the new substances formed as a result of a chemical reaction, found on the right side of the equation.

Front

In the equation Na + Cl --> NaCl, what are the reactants?

Back

The reactants are Na (sodium) and Cl (chlorine).

Front

In the equation Na + Cl --> NaCl, what is the product?

Back

The product is NaCl (sodium chloride).

Front

True or False: A product is always found on the left side of a chemical equation.

Back

False. A product is always found on the right side of a chemical equation.

Front

True or False: A reactant is a new compound or molecule.

Back

False. A reactant is a substance that is present before the chemical reaction occurs.

Front

What does the arrow in a chemical equation represent?

Back

The arrow represents the direction of the reaction, indicating that reactants are transformed into products.

Front

What is the significance of balancing a chemical equation?

Back

Balancing a chemical equation ensures that the number of atoms for each element is the same on both sides, obeying the law of conservation of mass.

Front

What is an example of a simple chemical reaction?

Back

An example is the reaction between hydrogen and oxygen to form water: 2H2 + O2 --> 2H2O.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.