Chemistry Concepts and Applications

Section 1: The Varitey of Compounds

Self Check Quizzes

1
Sand is composed of the two most common elements in the Earth's crust. What is the scientific name for sand?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807239/602889/figure_4_9.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (62.0K)</a>
A)iron oxide
B)aluminum oxide
C)silicon dioxide
D)magnesium oxide
2
Molten sodium chloride conducts electricity because __________.
A)the chlorine atoms carry a charge
B)chlorine gas escapes
C)the ions are free to move
D)solid sodium conducts, too
3
These two elements combine to form water.
A)carbon and hydrogen
B)carbon and oxygen
C)hydrogen and chlorine
D)hydrogen and oxygen
4
In an ionic crystal, these attract each other.
A)negative ions
B)positive ions
C)positive and negative atoms
D)positive and negative ions
5
This compound is commonly found in all three states of matter on Earth's surface.
A)carbon dioxide
B)iron oxide
C)sodium chloride
D)water
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.