Question 1

Which of the following elements is an alkaline earth metal?

Accepted Answer

A)   Ce
B)   O
C)   F
D)   K
E)   SrF) A) and D)
G) C) and D)

Question 2

Which species has the highest ionization energy?

Accepted Answer

A)   Mg
B)   Mg+
C)   Mg2+
D)   Al+
E)   Al2+F) A) and B)
G) A) and C)

Question 3

Halogens can react with each other to form

Accepted Answer

A)   covalent bonds.
B)   ionic bonds.
C)   salts.
D)   hydrogen halides.
E)   metal halides.F) None of the above
G) A) and B)

Question 4

For a given atom,identify the species that has the smallest radius.

Accepted Answer

A)   cation
B)   anion
C)   neutral
D)   They are all the same size.E) C) and D)
F) B) and D)

Question 5

Identify the element that has a ground state electronic configuration of [Kr]5s24d5.

Accepted Answer

A)   Tc
B)   Mn
C)   Nb
D)   RuE) A) and D)
F) A) and B)

Question 6

Give the ground state electron configuration for Cd.

Accepted Answer

A)   [Kr]5s25d10
B)   [Kr]5s24d105p2
C)   [Kr]4d10
D)   [Kr]5s24d8
E)   [Kr]5s24d10F) A) and B)
G) B) and D)

Question 7

Place the following in order of increasing radius. Br⁻ Na⁺ Rb⁺

Accepted Answer

A)   Br⁻ 
B)   Na⁺ 
C)   Rb⁺ 
D)   Br⁻ 
E)   Rb⁺ < Na⁺ < Br⁻F) C) and E)
G) A) and B)

Question 8

Semiconductors are

Accepted Answer

A)   metalloids.
B)   noble gases.
C)   nonmetals.
D)   metals.E) A) and B)
F) All of the above

Question 9

Which of the following elements has chemical properties similar to barium?

Accepted Answer

A)   lithium
B)   xenon
C)   calcium
D)   carbon
E)   ironF) D) and E)
G) C) and D)

Question 10

Which element would most likely form an ion with a charge of -2?

Accepted Answer

A)   Te
B)   I
C)   N
D)   Na
E)   AlF) A) and E)
G) None of the above

Question 11

Which of the following does NOT describe a nonmetal?

Accepted Answer

A)   tend to gain electrons
B)   found in the upper right hand corner of the periodic table
C)   poor conductor of electricity
D)   relatively unreactive
E)   poor conductor of heatF) A) and D)
G) B) and E)

Question 12

Place the following in order of decreasing radius. Te2⁻ F⁻ O2⁻

Accepted Answer

A)   F⁻ > O2⁻ > Te2⁻
B)   F⁻ > Te2⁻ > O2⁻
C)   Te2⁻ > O2⁻ > F⁻
D)   Te2⁻ > F⁻ > O2⁻
E)   O2⁻ > F⁻ > Te2⁻F) B) and D)
G) B) and E)

Question 13

Predict the charge that an aluminum ion would have.

Accepted Answer

A)   5-
B)   1+
C)   1-
D)   2+
E)   3+F) C) and D)
G) None of the above

Question 14

Give the complete electronic configuration for S2-.

Accepted Answer

A)   1s22s22p63s24p6
B)   1s22s22p63s23p6
C)   1s22s22p63s23p5
D)   1s22s23p64s25p6
E)   1s22s2p63s2p6F) A) and C)
G) A) and D)

Question 15

Predict the charge that a calcium ion would have.

Accepted Answer

A)   6-
B)   2-
C)   3+
D)   2+
E)   1+F) A) and D)
G) D) and E)

Question 16

Place the following in order of decreasing IE1. Cs Mg Ar

Accepted Answer

A)   Cs > Mg > Ar
B)   Mg > Ar > Cs
C)   Ar > Mg > Cs
D)   Cs > Ar > Mg
E)   Mg > Cs > ArF) D) and E)
G) B) and C)

Question 17

Identify the element that has a ground state electronic configuration of [Ar]4s23d7.

Accepted Answer

A)   tungsten
B)   zinc
C)   rhenium
D)   cobalt
E)   calciumF) C) and D)
G) A) and E)

Question 18

Give the ground state electron configuration for Pb.

Accepted Answer

A)   [Xe]6s26p2
B)   [Xe]6s25d106p2
C)   [Xe]6s25f146d106p2
D)   [Xe]6s24f145d106p2
E)   [Xe]6s24f145d106s26p2F) A) and B)
G) A) and C)

Question 19

Below is a list of successive ionization energies (in kJ/mol)for a period 3 element.Identify the element and explain how you came to that conclusion.
IE2 = 2250 IE3 = 3360 IE4= 4560 IE5= 7010 IE6= 8500 IE7 = 27,100

Accepted Answer

The large increase in ionizati...

Question 20

Give the ground state electron configuration for the ion of Ba.

Accepted Answer

A)   [Kr]5s25p6
B)   [Kr]5s24d105p66s26p2
C)   [Kr]5s24d105p66s1
D)   [Kr]5s24d105p66s2
E)   [Kr]5s24d105p6F) B) and C)
G) B) and D)

Exam 4: Periodic Properties of the Elements

Predict the charge that a calcium ion would have.

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Which species has the highest ionization energy?

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Semiconductors are

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Identify the element that has a ground state electronic configuration of [Ar]4s23d7.

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Which element would most likely form an ion with a charge of -2?

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Which of the following elements is an alkaline earth metal?

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Place the following in order of increasing radius. Br⁻ Na⁺ Rb⁺

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Give the complete electronic configuration for S2-.

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Identify the element that has a ground state electronic configuration of [Kr]5s24d5.

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Halogens can react with each other to form

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Place the following in order of decreasing radius. Te2⁻ F⁻ O2⁻

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Which of the following elements has chemical properties similar to barium?

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Predict the charge that an aluminum ion would have.

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Place the following in order of decreasing IE1. Cs Mg Ar

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Give the ground state electron configuration for Cd.

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Give the ground state electron configuration for Pb.

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Which of the following does NOT describe a nonmetal?

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Give the ground state electron configuration for the ion of Ba.

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For a given atom,identify the species that has the smallest radius.

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Below is a list of successive ionization energies (in kJ/mol)for a period 3 element.Identify the element and explain how you came to that conclusion. IE2 = 2250 IE3 = 3360 IE4= 4560 IE5= 7010 IE6= 8500 IE7 = 27,100

Correct AnswerverifiedThe large increase in ionizati...View AnswerShow Answer

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Identify the element that has a ground state electronic configuration of [Ar]4s²3d⁷.

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Give the complete electronic configuration for S^2-.

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Identify the element that has a ground state electronic configuration of [Kr]5s²4d⁵.

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Place the following in order of decreasing radius. Te²⁻ F⁻ O²⁻

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Place the following in order of decreasing IE₁. Cs Mg Ar

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Below is a list of successive ionization energies (in kJ/mol)for a period 3 element.Identify the element and explain how you came to that conclusion. IE₂ = 2250 IE₃ = 3360 IE₄= 4560 IE₅= 7010 IE₆= 8500 IE₇= 27,100

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