Question 1

Consider the following electron configurations to answer the questions that follow:
(i)  1s2 2s2 2p6 3s1
(ii)  1s2 2s2 2p6 3s2
(iii)  1s2 2s2 2p6 3s2 3p1
(iv)  1s2 2s2 2p6 3s2 3p4 (v)  1s2 2s2 2p6 3s2 3p5
-The electron configuration that belongs to the atom with the lowest second ionization energy is

Accepted Answer

A)   (i) 
B)   (ii) 
C)   (iii) 
D)   (iv) 
E)   (v) F) A) and B)
G) D) and E)

Question 2

When electrons are removed from a lithium atom they are removed first from which orbital ?

Accepted Answer

The answer of When electrons are removed from a lithium...

Question 3

Which one of the following compounds would produce an acidic solution when dissolved in water?

Accepted Answer

A)   CO2 
B)   Na2O
C)   MgO
D)   SrO
E)   CaOF) A) and D)
G) A) and B)

Question 4

Which of the following correctly lists the five atoms in order of increasing size (smallest to largest) ?

Accepted Answer

A)   O 
B)   O 
C)   F 
D)   F 
E)   F < O < S < Mg < BaF) A) and E)
G) C) and D)

Question 5

In which of the following atoms is the 2s orbital closest to the nucleus?

Accepted Answer

A)   Si
B)   S
C)   P
D)   Cl
E)   The 2s orbitals are the same distance from the nucleus in all of these atoms.F) B) and D)
G) B) and E)

Question 6

Cadmium preferentially binds to carbonic anhydrase, displacing zinc.

Accepted Answer

A) True 
 B)False

Question 7

In their compounds, the charges on the alkali metals and the alkaline earth metals are
and _, respectively.

Accepted Answer

The answer of In their compounds, the charges on the...

Question 8

Which isoelectronic series is correctly arranged in order of increasing radius?

Accepted Answer

A)   Cl- + 2+
B)   Ca2+ + -
C)   K+ 2+ -
D)   Ca2+ + - 
E)   Ca2+ + -F) C) and D)
G) A) and E)

Question 9

Which one of the following atoms has the largest radius?

Accepted Answer

A)   Cl
B)   O
C)   Ne
D)   F
E)   SF) All of the above
G) A) and E)

Question 10

A group of ions all containing the same number of electrons constitute an isoelectronic series.

Accepted Answer

A) True 
 B)False

Question 11

Hydrogen is unique among the elements because _.
1)  It is not really a member of any particular group.
2)  Its electron is not at all shielded from its nucleus.
3)  It is the lightest element.
4)  It is the only element to exist at room temperature as a diatomic gas.
5)  It exhibits some chemical properties similar to those of groups 1A and 7A.

Accepted Answer

A)   1, 4, 5
B)   1, 2, 3, 5
C)   2, 3, 4, 5
D)   3, 4
E)   1, 2, 3, 4, 5F) C) and D)
G) A) and E)

Question 12

In nature, the noble gases exist as

Accepted Answer

A)   alkali metal salts
B)   solids in rocks and in minerals
C)   monatomic gaseous atoms
D)   the sulfides
E)   the gaseous fluoridesF) C) and D)
G) A) and B)

Question 13

The first ionization energies of the elements as you go from left to right across a period of the periodic table, and as you go from the bottom to the top of a group in the table.

Accepted Answer

A)   increase, increase
B)   increase, decrease
C)   decrease, increase
D)   decrease, decrease
E)   are completely unpredictableF) A) and B)
G) B) and E)

Question 14

Oxides of the active metals combine with water to form .

Accepted Answer

A)   metal hydroxides
B)   water and a salt
C)   oxygen gas
D)   hydrogen gas
E)   metal hydridesF) D) and E)
G) A) and E)

Question 15

Which one of the following elements has the largest atomic radius?

Accepted Answer

A)   P
B)   B
C)   F
D)   Al
E)   OF) A) and E)
G) D) and E)

Question 16

Which one of the following beverages originally contained lithium salts?

Accepted Answer

A)   Koolaid
B)   Seven- Up
C)   Pepsi- Cola
D)   Coca- Cola
E)   GatoradeF) C) and E)
G) All of the above

Question 17

Of the compounds below, has the smallest ionic separation.

Accepted Answer

A)   SrBr2 
B)   RbF
C)   K2S
D)   RbCl
E)   KFF) A) and C)
G) A) and B)

Question 18

The most common sulfur ion has a charge of .

Accepted Answer

A)   +6
B)   +4
C)   - 1
D)   - 2
E)   Sulfur does not form ions.F) B) and D)
G) All of the above

Question 19

List seven nonmetals that exist as diatomic molecules in their elemental forms.

Accepted Answer

hydrogen, oxygen, ni...

Question 20

Of the elements below, _ _ has the highest melting point.

Accepted Answer

A)   Ca
B)   Ba
C)   K
D)   Na
E)   FeF) None of the above
G) A) and B)

Exam 7: Periodic Properties of the Elements

Of the elements below, _ _ has the highest melting point.

Correct Answer
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The most common sulfur ion has a charge of .

Correct Answer
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Which one of the following beverages originally contained lithium salts?

Correct Answer
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Which isoelectronic series is correctly arranged in order of increasing radius?

Correct Answer
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Which one of the following compounds would produce an acidic solution when dissolved in water?

Correct Answer
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Cadmium preferentially binds to carbonic anhydrase, displacing zinc.

Correct Answer
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In nature, the noble gases exist as

Correct Answer
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Which of the following correctly lists the five atoms in order of increasing size (smallest to largest) ?

Correct Answer
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The first ionization energies of the elements as you go from left to right across a period of the periodic table, and as you go from the bottom to the top of a group in the table.

Correct Answer
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Which one of the following atoms has the largest radius?

Correct Answer
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Which one of the following elements has the largest atomic radius?

Correct Answer
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Of the compounds below, has the smallest ionic separation.

Correct Answer
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When electrons are removed from a lithium atom they are removed first from which orbital ?

Correct Answer
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A group of ions all containing the same number of electrons constitute an isoelectronic series.

Correct Answer
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List seven nonmetals that exist as diatomic molecules in their elemental forms.

Correct Answer
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hydrogen, oxygen, ni...
View Answer

Correct Answer
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Oxides of the active metals combine with water to form .

Correct Answer
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In their compounds, the charges on the alkali metals and the alkaline earth metals are and _, respectively.

Correct Answer
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In which of the following atoms is the 2s orbital closest to the nucleus?

Correct Answer
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Exam 7: Periodic Properties of the Elements

Of the elements below, _ _ has the highest melting point.

Correct AnswerverifiedShow Answer

The most common sulfur ion has a charge of .

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Which one of the following beverages originally contained lithium salts?

Correct AnswerverifiedShow Answer

Which isoelectronic series is correctly arranged in order of increasing radius?

Correct AnswerverifiedShow Answer

Which one of the following compounds would produce an acidic solution when dissolved in water?

Correct AnswerverifiedShow Answer

Cadmium preferentially binds to carbonic anhydrase, displacing zinc.

Correct AnswerverifiedShow Answer

In nature, the noble gases exist as

Correct AnswerverifiedShow Answer

Which of the following correctly lists the five atoms in order of increasing size (smallest to largest) ?

Correct AnswerverifiedShow Answer

The first ionization energies of the elements as you go from left to right across a period of the periodic table, and as you go from the bottom to the top of a group in the table.

Correct AnswerverifiedShow Answer

Which one of the following atoms has the largest radius?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which one of the following elements has the largest atomic radius?

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Of the compounds below, has the smallest ionic separation.

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When electrons are removed from a lithium atom they are removed first from which orbital ?

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A group of ions all containing the same number of electrons constitute an isoelectronic series.

Correct AnswerverifiedShow Answer

List seven nonmetals that exist as diatomic molecules in their elemental forms.

Correct Answerverifiedhydrogen, oxygen, ni...View AnswerShow Answer

Consider the following electron configurations to answer the questions that follow: (i) 1s2 2s2 2p6 3s1 (ii) 1s2 2s2 2p6 3s2 (iii) 1s2 2s2 2p6 3s2 3p1 (iv) 1s2 2s2 2p6 3s2 3p4 (v) 1s2 2s2 2p6 3s2 3p5 -The electron configuration that belongs to the atom with the lowest second ionization energy is

Correct AnswerverifiedShow Answer

Oxides of the active metals combine with water to form .

Correct AnswerverifiedShow Answer

In their compounds, the charges on the alkali metals and the alkaline earth metals are and _, respectively.

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In which of the following atoms is the 2s orbital closest to the nucleus?

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hydrogen, oxygen, ni...
View Answer

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