Question 1

Which element is solid at room temperature?

Accepted Answer

A)  Cl2
B)  F2
C)  Br2
D)  I2
E)  H2

Question 2

Which periodic table group contains only metals?

Accepted Answer

A)  8A
B)  2A
C)  6A
D)  7A
E)  5A

Question 3

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

Accepted Answer

A)  K+ 2+ -
B)  Cl- + 2+
C)  Ca2+ + -
D)  Ca2+ + -
E)  Ca2+ + - < Ar

Question 4

Write the balanced equation for the reaction of elemental fluorine with liquid water.

Accepted Answer

2 H₂O (l)+ ...

Question 5

Astatine has a __________ density and a __________ atomic radius compared to iodine.

Accepted Answer

A)  greater; greater
B)  smaller; greater
C)  smaller; smaller
D)  greater; smaller
E)  equal; equal

Question 6

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

Accepted Answer

hydrogen, oxygen, ni...

Question 7

Which of the following traits characterizes the alkali metals?

Accepted Answer

A)  very high melting point
B)  existence as diatomic molecules
C)  formation of dianions
D)  the lowest first ionization energies in a period
E)  the smallest atomic radius in a period D

Question 8

The element in the periodic table that looks like a metal, is a poor thermal conductor, and acts as an electrical semiconductor is __________.

Accepted Answer

A)  Sn
B)  B
C)  As
D)  Si
E)  Ge

Question 9

The atomic radius of iodine is one-half the distance separating the iodine nuclei.

Accepted Answer

A) True 
 B)False  True

Question 10

The element phosphorus exists in two forms in nature called white phosphorus and red phosphorus. These two forms are examples of __________.

Accepted Answer

A)  isotopes
B)  allotropes
C)  oxidation
D)  metalloids
E)  noble gases

Question 11

The alkali metal that is naturally radioactive is __________.

Accepted Answer

A)  rubidium
B)  cesium
C)  lithium
D)  francium
E)  sodium

Question 12

Of the following metals, __________ exhibits multiple oxidation states.

Accepted Answer

A)  Al
B)  Rb
C)  Mg
D)  Ni
E)  Cs

Question 13

The acidity of carbonated water is due to the __________.

Accepted Answer

A)  presence of sulfur
B)  reaction of CO2 and H2O
C)  addition of acid
D)  nonmetal oxides
E)  none of the above B

Question 14

Of the alkaline earth metals, which two elements are the least reactive?

Accepted Answer

The answer of Of the alkaline earth metals, which two...

Question 15

Oxides of the active metals combine with acid to form __________.

Accepted Answer

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

Question 16

The element(s) __________ could be used to produce a red or crimson color in fireworks.

Accepted Answer

A)  Mg or Ba
B)  Sr
C)  Ca, Sr, or Li
D)  Ba
E)  Na or K

Question 17

In which orbital does an electron in a lead atom experience the greatest effective nuclear charge?

Accepted Answer

A)  1s
B)  4p
C)  5s
D)  6s
E)  5d

Question 18

The substance __________ is always produced when an active metal reacts with water.

Accepted Answer

A)  NaOH
B)  H2O
C)  CO2
D)  H2
E)  O2

Question 19

Write the balanced reaction between zinc oxide and sulfuric acid.

Accepted Answer

ZnO + H₂SO₄ ...

Question 20

Which one of the following is a metal?

Accepted Answer

A)  Ge
B)  S
C)  Br
D)  Pb
E)  C

Exam 7: Periodic Properties of the Elements

Which element is solid at room temperature?

Correct AnswerverifiedShow Answer

Which periodic table group contains only metals?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Write the balanced equation for the reaction of elemental fluorine with liquid water.

Correct Answerverified2 H2O (l)+ ...View AnswerShow Answer

Astatine has a __________ density and a __________ atomic radius compared to iodine.

Correct AnswerverifiedShow Answer

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

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

Which of the following traits characterizes the alkali metals?

Correct AnswerverifiedD

The element in the periodic table that looks like a metal, is a poor thermal conductor, and acts as an electrical semiconductor is __________.

Correct AnswerverifiedShow Answer

The atomic radius of iodine is one-half the distance separating the iodine nuclei.

Correct AnswerverifiedTrue

The element phosphorus exists in two forms in nature called white phosphorus and red phosphorus. These two forms are examples of __________.

Correct AnswerverifiedShow Answer

The alkali metal that is naturally radioactive is __________.

Correct AnswerverifiedShow Answer

Of the following metals, __________ exhibits multiple oxidation states.

Correct AnswerverifiedShow Answer

The acidity of carbonated water is due to the __________.

Correct AnswerverifiedB

Of the alkaline earth metals, which two elements are the least reactive?

Correct AnswerverifiedShow Answer

Oxides of the active metals combine with acid to form __________.

Correct AnswerverifiedShow Answer

The element(s) __________ could be used to produce a red or crimson color in fireworks.

Correct AnswerverifiedShow Answer

In which orbital does an electron in a lead atom experience the greatest effective nuclear charge?

Correct AnswerverifiedShow Answer

The substance __________ is always produced when an active metal reacts with water.

Correct AnswerverifiedShow Answer

Write the balanced reaction between zinc oxide and sulfuric acid.

Correct AnswerverifiedZnO + H2SO4 ...View AnswerShow Answer

Which one of the following is a metal?

Correct AnswerverifiedShow Answer

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2 H₂O (l)+ ...
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Astatine has a density and a atomic radius compared to iodine.

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hydrogen, oxygen, ni...
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D

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True

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B

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ZnO + H₂SO₄ ...
View Answer

Correct Answer
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