Reactants & Products

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 a chemical equation.

Front

What are products in a chemical equation?

Back

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

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 a chemical reaction?

Back

A chemical reaction is a process where reactants are transformed into products, involving the breaking and forming of chemical bonds.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

Give an example of a chemical reaction.

Back

An example of a chemical reaction is the burning of a candle wick, where wax (reactant) is transformed into carbon dioxide and water (products).

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance without changing its chemical composition, while a chemical change results in the formation of new substances.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements chemically bond together.