Midterm Review

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; it remains constant.

Front

What is flammability?

Back

Flammability is a chemical property that describes the ability of a substance to catch fire and burn.

Front

What is conductivity?

Back

Conductivity is the ability of a material to conduct electricity.

Front

What is a precipitate?

Back

A precipitate is an insoluble solid formed from a chemical reaction.

Front

What is a compound?

Back

A compound is a molecule made of more than one element.

Front

What is a chemical property?

Back

A chemical property is a characteristic of a substance that can only be observed during a chemical reaction.

Front

What is a physical property?

Back

A physical property is a characteristic of a substance that can be observed without changing its chemical composition.

Front

What is the difference between an element and a compound?

Back

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

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.

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice into water.