Question 1

Which equation correctly represents the first ionization of aluminum?

Accepted Answer

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

Question 2

Of the hydrogen halides, only is a weak acid.

Accepted Answer

A)   HI (aq) 
B)   HCl (aq) 
C)   HF (aq) 
D)   HBr (aq) 
E)   They are all weak acids.F) D) and E)
G) C) and D)

Question 3

In nature, sulfur is most commonly found in .

Accepted Answer

A)   sulfuric acid
B)   metal sulfides
C)   sulfur oxides
D)   pure elemental sulfur
E)   H2SF) C) and D)
G) A) and B)

Question 4

2 F2 (g)  + 2 H2O (l)  - .

Accepted Answer

A)   4 HF (aq)  + O2 (g) 
B)   2 HF2 (aq)  + 2 OH- (aq) 
C)   2 HF (aq)  + 2 HFO (aq) 
D)   2 F- (aq)  + 2 H+ (aq)  + H2O2 (aq) 
E)   4 HF (aq)  + 2 O2- (aq) F) None of the above
G) B) and C)

Question 5

Of the following species, has the largest radius.

Accepted Answer

A)   Kr
B)   Br- 
C)   Sr2+ 
D)   Rb+ 
E)   ArF) B) and E)
G) C) and E)

Question 6

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

Accepted Answer

A)   O2 
B)   H2 
C)   CO2 
D)   H2O
E)   NaOHF) A) and D)
G) C) and E)

Question 7

Which alkali metals can react with oxygen to form either the peroxide or the superoxide?

Accepted Answer

The answer of Which alkali metals can react with oxygen...

Question 8

An alkaline earth metal forms a compound with oxygen with the formula _ . (The symbol M represents any one of the alkaline earth metals.)

Accepted Answer

A)   MO3 
B)   MO2 
C)   MO
D)   M2O2 
E)   M2OF) A) and C)
G) A) and D)

Question 9

Which nonmetal exists as a diatomic solid?

Accepted Answer

A)   phosphorus
B)   bromine
C)   iodine
D)   boron
E)   antimonyF) A) and E)
G) A) and D)

Question 10

Which noble gas has the highest first ionization energy ?

Accepted Answer

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

Question 11

Between which two elements is the difference in metallic character the greatest?

Accepted Answer

A)   Rb and O
B)   Li and Rb
C)   O and I
D)   Rb and I
E)   Li and OF) A) and B)
G) C) and D)

Question 12

Which of the following is not a characteristic of metals?

Accepted Answer

A)   low ionization energies
B)   ductility
C)   acidic oxides
D)   malleability
E)   These are all characteristics of metals.F) A) and D)
G) A) and E)

Question 13

Which group 6A element is a metal?

Accepted Answer

A)   tellurium
B)   selenium
C)   polonium
D)   tellurium and polonium
E)   sulfurF) B) and E)
G) D) and E)

Question 14

Of the following metals, exhibits multiple oxidation states.

Accepted Answer

A)   Al
B)   Cs
C)   Ca
D)   Na
E)   VF) None of the above
G) B) and C)

Question 15

Of the halogens, which are gases at room temperature and atmospheric pressure?

Accepted Answer

A)   fluorine, chlorine, and iodine
B)   fluorine and chlorine
C)   fluorine, chlorine, and bromine
D)   fluorine, chlorine, bromine, and iodine
E)   fluorine, bromine, and iodineF) A) and E)
G) D) and E)

Question 16

Element X reacts with chlorine to form a compound with the formula XCl2. The oxide of element X is basic. Element X is .

Accepted Answer

A)   Rb
B)   Ca
C)   H
D)   Al
E)   PF) C) and E)
G) C) and D)

Question 17

This element reacts with hydrogen to produce a gas with the formula HX. When dissolved in water, HX forms an acidic solution. X is _,

Accepted Answer

A)   Br
B)   H
C)   C
D)   Na
E)   OF) C) and D)
G) None of the above

Question 18

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 of the atom with the most negative electron affinity is _.

Accepted Answer

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

Question 19

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

Accepted Answer

Cl₂(g) + H₂O...

Question 20

In general, as you go across a period in the periodic table from left to right:
(1)  the atomic radius ;
_ negative; and
(3)  the first ionization energy .

Accepted Answer

A)   decreases, increasingly, increases
B)   decreases, decreasingly, increases
C)   increases, increasingly, decreases
D)   decreases, increasingly, decreases
E)   increases, increasingly, increasesF) C) and E)
G) C) and D)

Exam 7: Periodic Properties of the Elements

Of the halogens, which are gases at room temperature and atmospheric pressure?

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In nature, sulfur is most commonly found in .

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Which group 6A element is a metal?

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In general, as you go across a period in the periodic table from left to right: (1) the atomic radius ; _ negative; and (3) the first ionization energy .

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

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Which equation correctly represents the first ionization of aluminum?

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Of the following metals, exhibits multiple oxidation states.

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Which of the following is not a characteristic of metals?

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Which nonmetal exists as a diatomic solid?

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An alkaline earth metal forms a compound with oxygen with the formula _ . (The symbol M represents any one of the alkaline earth metals.)

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Which noble gas has the highest first ionization energy ?

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Which alkali metals can react with oxygen to form either the peroxide or the superoxide?

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

Correct AnswerverifiedCl2 (g) + H2O...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 of the atom with the most negative electron affinity is _.

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This element reacts with hydrogen to produce a gas with the formula HX. When dissolved in water, HX forms an acidic solution. X is _,

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2 F2 (g) + 2 H2O (l) - .

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Of the hydrogen halides, only is a weak acid.

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Element X reacts with chlorine to form a compound with the formula XCl2. The oxide of element X is basic. Element X is .

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Between which two elements is the difference in metallic character the greatest?

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Of the following species, has the largest radius.

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Cl₂(g) + H₂O...
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Consider the following electron configurations to answer the questions that follow: (i) 1s²2s²2p⁶3s¹ (ii) 1s²2s²2p⁶3s² (iii) 1s²2s²2p⁶3s²3p¹ (iv) 1s²2s²2p⁶3s²3p⁴(v) 1s²2s²2p⁶3s²3p⁵ -The electron configuration of the atom with the most negative electron affinity is _.

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2 F₂(g) + 2 H₂O (l) - .

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Element X reacts with chlorine to form a compound with the formula XCl₂. The oxide of element X is basic. Element X is .

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