PS Midterm

Front

Where are bases located on the pH scale?

Back

Bases are located above 7 on the pH scale.

Front

Where are the reactants located in a chemical equation?

Back

The reactants are on the left side of the chemical equation.

Front

What is not a compound? Cl, HCl, NaCl, CO2?

Back

Cl is not a compound; it is an element.

Front

What type of substance conducts electricity well, has a shiny luster, and dents when hammered?

Back

The substance is most likely a metal.

Front

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

Back

An element is a pure substance containing only one kind of atom.

Front

What is the pH range for acids?

Back

Acids are located below 7 on the pH scale.

Front

What is a compound?

Back

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

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms.

Front

What is a chemical equation?

Back

A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.