Question 1

Which noble gas has the lowest first ionization energy?

Accepted Answer

The answer of Which noble gas has the lowest first...

Question 2

Which one of the following is not true about the alkali metals?

Accepted Answer

A)  They are low density solids at room temperature.
B)  They all readily form ions with a +1 charge.
C)  They all have 2 electrons in their valence shells.
D)  They are very reactive elements.
E)  They have the lowest first ionization energies of the elements.F) A) and B)
G) None of the above

Question 3

Hydrogen is unique among the elements because __________. 1. It has only one valence electron.
2. It is the only element that can emit an atomic spectrum.
3. Its electron is not at all shielded from its nucleus.
4. It is the lightest element.
5. It is the only element to exist at room temperature as a diatomic gas.

Accepted Answer

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

Question 4

The noble gases were, until relatively recently, thought to be entirely unreactive. Experiments in the early 1960s showed that Xe could, in fact, form compounds with fluorine. The formation of compounds consisting of Xe is made possible by __________.

Accepted Answer

A)  the availability of xenon atoms
B)  xenon's noble gas electron configuration
C)  the stability of xenon atoms
D)  xenon's relatively low ionization energy
E)  xenon's relatively low electron affinityF) All of the above
G) A) and B)

Question 5

__________ is isoelectronic with argon and __________ is isoelectronic with neon.

Accepted Answer

A)  Cl-, F-
B)  Cl-, Cl+
C)  F+, F-
D)  Ne-, Kr+
E)  Ne-, Ar+F) B) and C)
G) C) and D)

Question 6

Ca reacts with element X to form an ionic compound with the formula CaX. Al will react with X to form __________.

Accepted Answer

A)  AlX2
B)  AlX
C)  Al2X3
D)  Al3X2
E)  Al3XF) A) and D)
G) A) and C)

Question 7

Oxides of most nonmetals combine with water to form __________.

Accepted Answer

A)  an acid
B)  a base
C)  water and a salt
D)  water
E)  hydrogen gasF) A) and D)
G) A) and C)

Question 8

In which set of elements would all members be expected to have very similar chemical properties?

Accepted Answer

A)  P, Se, I
B)  Cl, Br, Na
C)  Si, As, Te
D)  Ne, Na, Mg
E)  Br, I, AtF) C) and E)
G) A) and C)

Question 9

The list that correctly indicates the order of metallic character is __________.

Accepted Answer

A)  B > N > C
B)  F > Cl > S
C)  Si > P > S
D)  P > S > Se
E)  Na > K > RbF) A) and E)
G) A) and D)

Question 10

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 11

Which alkaline earth metal will not react with liquid water or with steam?

Accepted Answer

A)  Be
B)  Mg
C)  Ca
D)  Ba
E)  They all react with liquid water and with steam.F) C) and D)
G) A) and E)

Question 12

Consider the following properties of an element: (i) It is solid at room temperature.
(ii) It easily forms an oxide when exposed to air.
(iii) When it reacts with water, hydrogen gas evolves.
(iv) It must be stored submerged in oil.
Which element fits the above description the best?

Accepted Answer

A)  sulfur
B)  copper
C)  mercury
D)  sodium
E)  magnesiumF) All of the above
G) B) and D)

Question 13

The electron configuration belonging to the atom with the highest second ionization energy is __________.

Accepted Answer

A)  (i) 
B)  (ii) 
C)  (iii) 
D)  (iv) 
E)  (v) F) A) and E)
G) None of the above

Question 14

The electron configuration of the atom that is expected to have a positive electron affinity is __________.

Accepted Answer

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

Question 15

Of the following, which gives the correct order for atomic radius for Mg, Na, P, Si and Ar?

Accepted Answer

A)  Mg > Na > P > Si > Ar
B)  Ar > Si > P > Na > Mg
C)  Si > P > Ar > Na > Mg
D)  Na > Mg > Si > P > Ar
E)  Ar > P > Si > Mg > NaF) A) and E)
G) None of the above

Question 16

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

Accepted Answer

A)  Na2O
B)  CaO
C)  MgO
D)  CO2
E)  SrOF) A) and B)
G) B) and E)

Question 17

Electrons in the 1s subshell are much closer to the nucleus in Ar than in He due to the larger __________ in Ar.

Accepted Answer

A)  nuclear charge
B)  paramagnetism
C)  diamagnetism
D)  Hund's rule
E)  azimuthal quantum numberF) C) and E)
G) A) and C)

Question 18

Which of the following correctly represents the second ionization of aluminum?

Accepted Answer

A)  Al+ (g) + e- → Al (g) 
B)  Al (g) → Al+ (g) + e-
C)  Al- (g) + e- → Al2- (g) 
D)  Al+ (g) + e- → Al2+ (g) 
E)  Al+ (g) → Al2+ (g) + e-F) A) and E)
G) B) and D)

Question 19

All of the group VIA elements are solids except __________.

Accepted Answer

The answer of All of the group VIA elements are...

Question 20

Element M reacts with oxygen to form an oxide with the formula MO. When MO is dissolved in water, the resulting solution is basic. Element M could be __________.

Accepted Answer

A)  Na
B)  Ba
C)  S
D)  N
E)  CF) None of the above
G) B) and C)

Exam 7: Periodic Properties of the Elements

is isoelectronic with argon and is isoelectronic with neon.

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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Which alkaline earth metal will not react with liquid water or with steam?

Correct Answer
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Which one of the following is not true about the alkali metals?

Correct Answer
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Of the following, which gives the correct order for atomic radius for Mg, Na, P, Si and Ar?

Correct Answer
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Element M reacts with oxygen to form an oxide with the formula MO. When MO is dissolved in water, the resulting solution is basic. Element M could be __________.

Correct Answer
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In which set of elements would all members be expected to have very similar chemical properties?

Correct Answer
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The list that correctly indicates the order of metallic character is __________.

Correct Answer
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All of the group VIA elements are solids except __________.

Correct Answer
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Which of the following correctly represents the second ionization of aluminum?

Correct Answer
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Electrons in the 1s subshell are much closer to the nucleus in Ar than in He due to the larger __________ in Ar.

Correct Answer
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The electron configuration belonging to the atom with the highest second ionization energy is __________.

Correct Answer
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Oxides of most nonmetals combine with water to form __________.

Correct Answer
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The noble gases were, until relatively recently, thought to be entirely unreactive. Experiments in the early 1960s showed that Xe could, in fact, form compounds with fluorine. The formation of compounds consisting of Xe is made possible by __________.

Correct Answer
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Ca reacts with element X to form an ionic compound with the formula CaX. Al will react with X to form __________.

Correct Answer
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Consider the following properties of an element: (i) It is solid at room temperature. (ii) It easily forms an oxide when exposed to air. (iii) When it reacts with water, hydrogen gas evolves. (iv) It must be stored submerged in oil. Which element fits the above description the best?

Correct Answer
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The electron configuration of the atom that is expected to have a positive electron affinity is __________.

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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Which noble gas has the lowest first ionization energy?

Correct Answer
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Exam 7: Periodic Properties of the Elements

__________ is isoelectronic with argon and __________ is isoelectronic with neon.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which alkaline earth metal will not react with liquid water or with steam?

Correct AnswerverifiedShow Answer

Which one of the following is not true about the alkali metals?

Correct AnswerverifiedShow Answer

Of the following, which gives the correct order for atomic radius for Mg, Na, P, Si and Ar?

Correct AnswerverifiedShow Answer

Element M reacts with oxygen to form an oxide with the formula MO. When MO is dissolved in water, the resulting solution is basic. Element M could be __________.

Correct AnswerverifiedShow Answer

In which set of elements would all members be expected to have very similar chemical properties?

Correct AnswerverifiedShow Answer

The list that correctly indicates the order of metallic character is __________.

Correct AnswerverifiedShow Answer

All of the group VIA elements are solids except __________.

Correct AnswerverifiedShow Answer

Which of the following correctly represents the second ionization of aluminum?

Correct AnswerverifiedShow Answer

Electrons in the 1s subshell are much closer to the nucleus in Ar than in He due to the larger __________ in Ar.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The electron configuration belonging to the atom with the highest second ionization energy is __________.

Correct AnswerverifiedShow Answer

Oxides of most nonmetals combine with water to form __________.

Correct AnswerverifiedShow Answer

The noble gases were, until relatively recently, thought to be entirely unreactive. Experiments in the early 1960s showed that Xe could, in fact, form compounds with fluorine. The formation of compounds consisting of Xe is made possible by __________.

Correct AnswerverifiedShow Answer

Ca reacts with element X to form an ionic compound with the formula CaX. Al will react with X to form __________.

Correct AnswerverifiedShow Answer

Consider the following properties of an element: (i) It is solid at room temperature. (ii) It easily forms an oxide when exposed to air. (iii) When it reacts with water, hydrogen gas evolves. (iv) It must be stored submerged in oil. Which element fits the above description the best?

Correct AnswerverifiedShow Answer

The electron configuration of the atom that is expected to have a positive electron affinity is __________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which noble gas has the lowest first ionization energy?

Correct AnswerverifiedShow Answer

is isoelectronic with argon and is isoelectronic with neon.

Correct Answer
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