June 2017 Chemistry Regents #66-68

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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

Question 51 Questions 52-53 Questions 54-55 Questions 56-58 Questions 59-60 Questions 61-62 Questions 63-65 Questions 66-69  Questions 70-71  Questions 72-74  Questions 75-77  Questions 78-81  Questions 82-85

 

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Question 66-68

 

 

Base your answers to questions 66 through 68 on the information below and on your knowledge of chemistry.  

66 Identify the element in this table that is classified as a metalloid. [1]

Answer-->  Si or Silicone

67 State the phase of chlorine at 281 K and 101.3 kPa. [1]

Answer-->  gas (it's above the boiling point on table S

68 State evidence from the technician's data which indicates that sodium is more active than aluminum. [1]

Answer-->  Na reacts vigorously with water and Al does not

on to Questions 69-71

 

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

Question 51-53 Questions 54-57 Questions 58-60 Questions 61-63 Questions 64-65 Questions 66-68 Questions 69-71 Questions 72-76  Questions 77-80  Questions 81-82  Questions 83-85 

 

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