Amplify Chemical Reactions Ch. 1

Front

What is a substance?

Back

A substance is something that is made of all the same atoms or groups of atoms.

Front

What are molecules?

Back

Molecules are groups of atoms joined together in a particular way.

Front

What are atoms?

Back

Atoms are the basic building blocks of all matter; they make up everything in the world.

Front

How many hydrogen atoms are in one molecule of water (H2O)?

Back

There are 2 hydrogen atoms in one molecule of water.

Front

Do substances with different repeating groups of atoms have different properties?

Back

Yes, substances with different repeating groups of atoms will have different properties.

Front

What is the definition of a chemical reaction?

Back

A chemical reaction is a process where substances (reactants) are transformed into different substances (products).

Front

What is a reactant?

Back

A reactant is a substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical reaction?

Back

A product is a substance that is formed as a result of a chemical reaction.

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.

Front

What is a chemical formula?

Back

A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound.