Intro to Chemical Reactions

Front

What is a chemical reaction?

Back

A process in which atoms rearrange to form new substances.

Front

How many atoms are in 2CaCO3?

Back

10

Front

What are the products in the reaction: 4Al + 3O2 -> 2Al2O3?

Back

Al2O3

Front

How many Oxygen (O) atoms are in 2C2H8Cl2?

Back

16

Front

What does the symbol (aq) represent in a chemical equation?

Back

A substance dissolved in water.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What is a reactant?

Back

A substance that undergoes change in a chemical reaction.

Front

What is a product?

Back

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

Front

What is the difference between an ionic bond and a covalent bond?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.