Unit 4 Extra Credit

Front

What type of reaction is represented by the equation Fe + Cl2 → FeCl3?

Back

Synthesis reaction: A reaction where two or more reactants combine to form a single product.

Front

What is the chemical formula for Calcium Sulfide?

Back

CaS: A compound formed from calcium and sulfur.

Front

What type of reaction is represented by the equation SeCl6 + O2 → SeO2 + Cl2?

Back

Single Replacement reaction: A reaction where one element replaces another in a compound.

Front

What is the correct formula for Sodium Oxide?

Back

Na2O: A compound formed from sodium and oxygen.

Front

Which of the following is NOT a polyatomic ion?

Back

Cl-: A monatomic ion, while OH-, CO3^2-, PO4^3-, and ClO4- are polyatomic ions.

Front

Define a Synthesis Reaction.

Back

A chemical reaction in which two or more simple substances combine to form a more complex product.

Front

What is a Decomposition Reaction?

Back

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

Front

Explain a Single Replacement Reaction.

Back

A reaction where an element reacts with a compound and takes the place of another element in that compound.

Front

What is a Combustion Reaction?

Back

A reaction that occurs when a substance combines with oxygen, releasing energy in the form of light or heat.

Front

What is the formula for a Polyatomic Ion?

Back

A charged ion composed of two or more atoms bonded together, such as sulfate (SO4^2-).