Chemistry Chapter 2 -- Matter -- Completion

Complete each statement.


Sound is not made of matter because it has no ____________________.



A substance that is made of atoms of more than one type chemically bound together is called a(n) ____________________.



Every chemical compound is unique and different from the ____________________ it contains.



One molecule of hydrochloric acid (HCl) contains ____________________ atom(s).



When two or more pure substances are blended together, the result is a(n) ____________________.



A ____________________ property describes how a substance acts when it reacts with other substances.



For any pure substance, the boiling point and melting point will always remain ____________________.



The density of ____________________ is 1.00 g/cm3.



Flammability is a chemical property that tells whether a substance reacts in the presence of ____________________.



We inhale oxygen and exhale carbon dioxide as a result of a ____________________ change in our bodies.



A physical change differs from a chemical change in that ______________________________ are formed.



Copper is used to make electric wire because it is a good ____________________.



A molecule is the smallest unit of a substance that retains the ____________________ of that substance.



The chemical symbol O stands for the element ____________________.



The chemical formula for a chlorine molecule, which contains two chlorine (Cl) atoms, is ____________________.



Two or more liquids that can dissolve into each other are referred to as ____________________.



Tooth fillings are often made of gold or porcelain because those materials are not ____________________.



Ice floats in water because it is ____________________ than water.



Wheat ground into flour is an example of a(n) ____________________ change.



Aluminum, oxygen, and carbon are each ____________________.



Grinding quartz crystals down to produce sand causes a(n) ____________________ change.



The smallest particle of oxygen that behaves like oxygen is an oxygen ____________________.



Each molecule of iron oxide (Fe2O3) contains ____________________ iron atom(s).



A mixture of flour and water is called a(n) _________________________ mixture because the substances do not dissolve.



The ____________________ of a substance is defined as its mass divided by its volume.



A chemical change is a change in the ____________________ of a substance.



A change in color during a reaction is often a sign that a(n) ____________________ change has occurred.



The components of a(n) ____________________ can be separated because they are not chemically combined.



Gold is usually found in a pure form in nature because it is not ____________________.