Chemistry Concepts and Applications

Chapter 3: Introduction to the Periodic Table

Chapter Test Practice

1
The statement that the physical and chemical properties of the elements repeat in a regular pattern when they are arranged in order of increasing atomic number is known as the __________.
A)Dobereiner's hypothesis
B)Group theory
C)Mendeleev theory
D)periodic law
2
Mendeleev predicted the properties of these two elements, which were unknown at the time.
A)boron and arsenic
B)carbon and silicon
C)gallium and germanium
D)silicon and aluminum
3
Why is pure silicon such a poor conductor at room temperature?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807239/602889/Figure_3_18.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"> (52.0K)</a>
A)Silicon is a metal.
B)Silicon's four valence electrons are held loosely.
C)Silicon's four valence electrons are held tightly.
D)Silicon is a non-metal.
4
What is the important characteristic of the triad oxygen, sulfur, and selenium that makes them have similar chemical properties?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807239/602889/Figure_3_11.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"> (53.0K)</a>
A)All have two electrons in the first energy level.
B)All have eight electrons in the second energy level.
C)All have a nucleus.
D)All have six valence electrons.
5
How did Mendeleev predict the properties of eka-aluminum and eka-silicon?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807239/602891/table_3_3.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"> (68.0K)</a>
A)He assumed they would be similar to aluminum and silicon.
B)He assumed they would be similar to zinc and calcium.
C)He assumed they would be similar to each other.
D)He assumed they would be similar to magnesium and phosphorus.
6
A transistor may be produced by placing a p-type semiconductor between two __________.
A)n-type semiconductors
B)p-type semiconductors
C)electrons
D)molecules
7
What is the Group number of the alkali metals?
A)1
B)2
C)3
D)4
8
Heavy elements such as seaborgium are created in __________.
A)erlenmeyer flasks
B)earthquakes
C)particle accelerators
D)test tubes
9
What characteristic do atoms in the same group of elements share?
A)They have the same atomic mass.
B)They have the same number of electron orbitals.
C)They have the same number of valence electrons.
D)They have the same number of protons.
10
Carbon is the only __________ that has four valence electrons
A)metal
B)nonmetal
C)metalloid
D)element
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.