Final Exam Study Guide Answer Key

Front

What is the definition of matter?

Back

Anything that has volume and mass

Front

What is the definition of mass?

Back

The amount of matter in an object

Front

What is the definition of volume?

Back

The amount of space an object takes up

Front

What is the definition of density?

Back

The mass of a substance per unit volume

Front

What is the formula for density?

Back

D = m/v (Density equals mass divided by volume)

Front

State the Law of Conservation of Matter/Mass.

Back

The principle states that the mass of an object never changes - in a chemical reaction; Matter is neither created nor destroyed; the total mass of the elements in the products of a chemical reaction must equal the total mass of the products in a chemical reaction.

Front

What is particle motion?

Back

The movement of particles as they relate to their state of matter, phase changes, addition and removal of thermal energy

Front

What is thermal energy?

Back

The total energy of all the particles in an object, regardless of temperature - goes from warmer to colder

Front

What is an atom?

Back

Basic unit from which all matter is made; Basic building block

Front

What is a molecule?

Back

A group of two or more atoms held together by chemical bonds