Chemistry Concepts and Applications

Chapter 3: Introduction to the Periodic Table

Standardized Test Practice

1
Why was Mendeleev's periodic table widely accepted?
A)He organized the first 14 known elements.
B)He predicted the existence and properties of undiscovered elements.
C)He was the first to notice a pattern of similar properties among elements.
D)His periodic table listed all of the elements in the correct order.
2
Which pair of elements would you expect to have similar properties?
A)F and Ne
B)Li and Fe
C)Mg and Ti
D)Si and Ge
3
What group of elements was unknown to Mendeleev when he first organized his periodic table?
A)Group 18, the noble gases
B)Group 1, the alkali metals
C)Group 2, the alkaline earth metals
D)the transition elements
4
How many valence electrons do you find for each member of Group 17?

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A)5
B)6
C)7
D)8
5
Phosphorus can be used to dope silicon because phosphorus has __________ valence electrons and silicon has __________.

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A)5, 4
B)4, 5
C)3.,4
D)4,3
6
Boron can be used to dope silicon because boron has __________ valence electrons and silicon has __________.

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A)5,4
B)4,5
C)3,4
D)4,3
7
This element is a halogen.
A)bromine
B)carbon
C)nitrogen
D)oxygen
8
These elements have some physical and chemical properties of metals and other properties of nonmetals.
A)actinides
B)lanthanides
C)metalloids
D)transition elements
9
These elements have six electrons in their outermost energy levels.
A)O, S, and Se
B)Cr, Mo, and W
C)Cr, Mn, and Fe
D)He, Ne, and Ar
10
Except for hydrogen, the elements that are gases at room temperature are __________.
A)actinides
B)metals
C)metalloids
D)nonmetals
11
Noble gases are unreactive because they have a full complement of __________.
A)inner-level electrons
B)neutrons
C)protons
D)valence electrons
12
Plutonium and americium are __________.
A)metalloids
B)noble gases
C)nonmetals
D)synthetic elements
13
Lanthanides and actinides are known as __________.
A)inner transition elements
B)noble gases
C)metalloids
D)halogens
14
The Lewis electron dot structure for this element contains seven dots.
A)francium
B)iodine
C)manganese
D)zinc
15
In general, a metal atom's valence electrons are __________ the atomic nucleus.
A)loosely bound to
B)very near
C)within
D)tightly bound to
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