2nd 9 Weeks Exam Study Guide (2024)

Front

What is the formula for sodium chloride?

Back

NaCl

Front

What type of reaction is represented by the formula A + CD --> C + AD?

Back

Single Replacement

Front

Identify the type of reaction: 2 NaBr + 1 Ca(OH)2 --> 1 CaBr2 + 2 NaOH.

Back

Double displacement

Front

What does the law of conservation of mass state?

Back

Matter is not created or destroyed.

Front

What happens to the valence electrons in a covalent bond?

Back

Shares electrons.

Front

What is the criss-cross method used for in chemistry?

Back

To determine the formula of ionic compounds.

Front

Define synthesis reaction.

Back

A reaction where two or more substances combine to form a new compound.

Front

Define decomposition reaction.

Back

A reaction where a single compound breaks down into two or more simpler products.

Front

What is a double replacement reaction?

Back

A reaction where two compounds exchange ions to form two new compounds.

Front

What is a combustion reaction?

Back

A reaction that involves the burning of a substance in the presence of oxygen.