Characteristics of Chemical Reactions

Front

What is a chemical reaction?

Back

The process by which one or more substances change to produce one or more different substances.

Front

What do protons represent in an atom?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What is the role of neutrons in an atom?

Back

Neutrons are neutral particles that contribute to the mass of an atom and help stabilize the nucleus.

Front

What is the mass composition of an atom?

Back

Most of the mass in an atom is made up of protons and neutrons.

Front

What are synthetic materials?

Back

Synthetic materials are made from natural substances that undergo a chemical process.

Front

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

Back

A physical change does not alter the chemical composition of a substance, while a chemical change results in the formation of new substances.

Front

What is an example of a chemical reaction?

Back

Burning wood, where wood reacts with oxygen to produce ash, carbon dioxide, and heat.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed; it remains constant.

Front

What are reactants in a chemical reaction?

Back

Reactants are the starting substances that undergo change during a chemical reaction.

Front

What are products in a chemical reaction?

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