Chemistry Concepts and Applications

Chapter 8: Periodic Properties of the Elements

Chapter Test Practice

1
The elements in Groups 1, 2, and 13-17 are called the __________.
A)alkali metals
B)main group elements
C)noble gases
D)transition elements
2
In general, atomic size __________ from top to bottom within a Group.
A)decreases
B)increases
C)increases, then decreases
D)remains the same
3
These elements are soft, silvery metals and good conductors of heat and electricity.
A)alkali metals
B)transition elements
C)metalloids
D)halogens
4
An element with an atomic number between that of sodium and chlorine is a metalloid. What is that element?

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A)magnesium
B)silicon
C)phosphorus
D)sulfur
5
In terms of atomic radius, which is the largest atom?

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A)francium
B)cesium
C)rubidium
D)potassium
6
Group 11 elements such as gold and silver are used for coinage. Which is NOT a property of these elements?

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A)non-reactivity
B)rarity
C)malleable
D)non-conducting
7
To prevent unintended reactions, sodium and potassium are kept in __________.
A)air
B)ice
C)oil
D)water
8
This Group 13 metal is obtained from its ore in a process that consumes about 5% of the electricity produced in the U.S.
A)aluminum
B)gallium
C)indium
D)thallium
9
These groups contain metals, nonmetals, and metalloids.
A)14, 15
B)13-18
C)1, 2
D)17-18
10
Many transition elements have multiple positive oxidation states because their atoms can lose some of their __________.
A)d electrons
B)s electrons
C)p electrons
D)nuclear protons
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