PS Midterm

Front

Which element is the least reactive?

Back

Ne (Neon) is the least reactive element among the options provided.

Front

What is a pure substance containing only one kind of atom?

Back

An element is a pure substance that consists of only one type of atom.

Front

Where are bases located on the pH scale?

Back

Bases are located above 7 on the pH scale.

Front

Back

This is a Double Replacement reaction.

Front

Back

This is a Decomposition reaction.

Front

What is the definition of an element?

Back

An element is a substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is the pH range for acids?

Back

Acids are located below 7 on the pH scale.

Front

What is a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.