Chemistry 216-225

Front

What is the name of the ether CH₃OCH₂CH₃?

Back

Methoxyethane

Front

What is the name of the aldehyde when the functional group is substituted into methane?

Back

Methanal

Front

What is the Roman numeral representation for the group containing boron?

Back

IIIA

Front

What is the main difference between mechanical and chemical separation processes?

Back

Mechanical processes reorganize substances without changing their chemical nature.

Front

What does the Law of Conservation of Mass state about matter in a chemical reaction?

Back

Matter is neither created nor destroyed.

Front

Define an ether in organic chemistry.

Back

An ether is a class of organic compounds that contain an oxygen atom connected to two alkyl or aryl groups.

Front

What is the general formula for aldehydes?

Back

The general formula for aldehydes is CnH2nO.

Front

What is the functional group of an aldehyde?

Back

The functional group of an aldehyde is -CHO.

Front

Explain the difference between a mechanical and a chemical change.

Back

A mechanical change alters the form of a substance without changing its chemical composition, while a chemical change results in the formation of new substances.

Front

What is the significance of the Roman numeral in the periodic table?

Back

The Roman numeral indicates the group number and the number of valence electrons in the outer shell of the elements in that group.