January 2018 Chemistry Regents #57-59

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Questions 1-5 Questions 6-10 Questions 11-15 Questions 16-20 Questions 21-25 Questions 26-30 Questions 31-35 Questions 36-40 Questions 41-45 Questions 46-50

Questions 51-54
 Questions 55-56 Questions 57-59 Questions 60-62 Questions 63-65  Questions 66  Questions 67-69  Questions 70-72 Questions 73-77 Questions 78-81 Questions 82-85  

 

 

 

 #57-59
  

Rubidium and iodine have different chemical and physical properties. Some of these properties are shown in the table below.

57 State the chemical property of iodine listed in this table. [1]

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forms ionic bonds

58 Compare the atomic radius of an atom of iodine to the atomic radius of an atom of rubidium when both atoms are in the ground state. [1]

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The Rb atom is larger than the I atom

59 Compare the electrical conductivity of these two elements at STP. [1]

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Rubidium is a better electrical conductor than iodine

 

  

on to Questions 60-62

  

Questions 1-5 Questions 6-10 Questions 11-15 Questions 16-20 Questions 21-25 Questions 26-30 Questions 31-35 Questions 36-40 Questions 41-45 Questions 46-50

Questions 51-54
 Questions 55-56 Questions 57-59 Questions 60-62 Questions 63-65  Questions 66  Questions 67-69  Questions 70-72 Questions 73-77 Questions 78-81 Questions 82-85