Question 1

Which fifth period transition element has the highest atomic number?

Accepted Answer

A)  Cd
B)  Hg
C)  Sr
D)  Xe
E)  none of the above

Question 2

Which of the following is a halogen?

Accepted Answer

A)  Ar
B)  Br
C)  H
D)  Hg
E)  none of the above

Question 3

Which of the following is a noble gas?

Accepted Answer

A)  F
B)  N
C)  O
D)  all of the above
E)  none of the above

Question 4

Predict the number of valence electrons for a Group VIIA/17 element.

Accepted Answer

A)  1
B)  2
C)  3
D)  7
E)  17

Question 5

What is the core notation for the electron configuration of a potassium atom?

Accepted Answer

A)  [Ar]
B)  [Ar] 4s1
C)  [Ar] 4p1
D)  [Ar] 4d1
E)  [Kr]

Question 6

Which energy sublevel is being filled by the elements Rb to Sr?

Accepted Answer

A)  4d
B)  5s
C)  5p
D)  5d
E)  5f

Question 7

Which of the following ions is not isoelectronic with the noble gas krypton?

Accepted Answer

A)  Ga3+
B)  Se2-
C)  Br-
D)  Sr2+
E)  Zr4+

Question 8

What is the electron configuration using core notation for Sr2+?

Accepted Answer

A)  [Kr]
B)  [Kr] 5S₂
C)  [Kr] 4d10
D)  [Kr] 5S₂ 4d8
E)  none of the above

Question 9

Which of the following has chemical properties most similar to sodium?

Accepted Answer

A)  He
B)  K
C)  Mg
D)  B
E)  Fe

Question 10

What is the term for the elements in Groups 3-12?

Accepted Answer

A)  rare earth elements
B)  representative elements
C)  transition elements
D)  inner transition elements
E)  none of the above

Question 11

Which of the following is the lowest atomic mass lanthanide?

Accepted Answer

A)  Ce
B)  Lr
C)  Lu
D)  Sc
E)  Th

Question 12

Calculate the predicted density for rhodium,Rh,given the density of cobalt,Co, (8.89 g/cm3) and iridium,Ir, (22.65 g/cm3) .

Accepted Answer

A)  2.01 g/cm3
B)  6.88 g/cm3
C)  13.76 g/cm3
D)  15.77 g/cm3
E)  29.53 g/cm3

Question 13

Which of the following is a solid semimetal at normal conditions?

Accepted Answer

A)  Al
B)  Ge
C)  P
D)  all of the above
E)  none of the above

Question 14

Calculate the predicted melting point for tungsten metal,W,given the melting points of chromium,Cr, (1857 °C) and molybdenum,Mo, (2617 °C) .

Accepted Answer

A)  760 °C
B)  1097 °C
C)  2237 °C
D)  2997 °C
E)  3377 °C

Question 15

Which of the following groups has a predictable ionic charge of two negative?

Accepted Answer

A)  Group IIA/2
B)  Group IIB/12
C)  Group VIA/16
D)  Group VIB/6
E)  Group VIIIA/18

Question 16

Which of the following is a radioactive metal?

Accepted Answer

A)  Pb
B)  Pd
C)  Pm
D)  Pt
E)  none of the above

Question 17

What is the electron configuration using core notation for Se2-?

Accepted Answer

A)  [Ar] 4S₂ 3d10 4p2
B)  [Ar] 4S₂ 3d10 4p4
C)  [Ar] 4S₂ 4p6
D)  [Kr]
E)  none of the above

Question 18

Which of the following is the electron dot formula for an atom of carbon?

Accepted Answer

A)  (a) 
B)  (b) 
C)  (c) 
D)  (d) 
E)  (e)

Question 19

Which of the following elements has the least metallic character?

Accepted Answer

A)  C
B)  N
C)  O
D)  P
E)  S

Question 20

Which of the following elements has the highest ionization energy?

Accepted Answer

A)  Cl
B)  Br
C)  Ar
D)  Kr
E)  K

Exam 5: The Periodic Table

Which of the following elements has the least metallic character?

Correct AnswerverifiedShow Answer

Which energy sublevel is being filled by the elements Rb to Sr?

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Which of the following groups has a predictable ionic charge of two negative?

Correct AnswerverifiedShow Answer

Which of the following elements has the highest ionization energy?

Correct AnswerverifiedShow Answer

Calculate the predicted melting point for tungsten metal,W,given the melting points of chromium,Cr, (1857 °C) and molybdenum,Mo, (2617 °C) .

Correct AnswerverifiedShow Answer

Which of the following is the lowest atomic mass lanthanide?

Correct AnswerverifiedShow Answer

Predict the number of valence electrons for a Group VIIA/17 element.

Correct AnswerverifiedShow Answer

Which of the following is a radioactive metal?

Correct AnswerverifiedShow Answer

Which of the following has chemical properties most similar to sodium?

Correct AnswerverifiedShow Answer

Which of the following is the electron dot formula for an atom of carbon?

Correct AnswerverifiedShow Answer

Which of the following is a solid semimetal at normal conditions?

Correct AnswerverifiedShow Answer

Calculate the predicted density for rhodium,Rh,given the density of cobalt,Co, (8.89 g/cm3) and iridium,Ir, (22.65 g/cm3) .

Correct AnswerverifiedShow Answer

Which of the following ions is not isoelectronic with the noble gas krypton?

Correct AnswerverifiedShow Answer

Which of the following is a noble gas?

Correct AnswerverifiedShow Answer

Which of the following is a halogen?

Correct AnswerverifiedShow Answer

What is the electron configuration using core notation for Sr2+?

Correct AnswerverifiedShow Answer

Which fifth period transition element has the highest atomic number?

Correct AnswerverifiedShow Answer

What is the term for the elements in Groups 3-12?

Correct AnswerverifiedShow Answer

What is the electron configuration using core notation for Se2-?

Correct AnswerverifiedShow Answer

What is the core notation for the electron configuration of a potassium atom?

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