August 2016  Chemistry Regents #31-35

Highlight to reveal answers and explanations

 

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 55-57 Questions 58-59 Questions 60-61 Questions 62-65 Questions 66-68 Questions 69-72 Questions 73-74  Questions 75-76  Questions 77-78  Questions 79-80  Questions 81-82  Questions 83-85

Other Regents Exams

 

Questions

Answer Links

Explanations

31 Which list of elements is arranged in order of increasing electronegativity?

(1) Be, Mg, Ca     (3) K, Ca, Sc

(2) F, Cl, Br          (4) Li, Na, K

3    

32 The table below gives the masses of two different subatomic particles found in an atom.

Which of the subatomic particles are each paired with their corresponding name?

(1) X, proton and Z, electron

(2) X, proton and Z, neutron

(3) X, neutron and Z, proton

(4) X, electron and Z, proton

1    

33 Which electron configuration represents an excited state for an atom of calcium?

(1) 2-8-7-1 (3) 2-8-7-3

(2) 2-8-7-2 (4) 2-8-8-2

3    

 

34 At STP, graphite and diamond are two solid forms of carbon. Which statement explains why these two forms of carbon differ in hardness?

(1) Graphite and diamond have different ionic radii.

(2) Graphite and diamond have different molecular structures.

(3) Graphite is a metal, but diamond is a nonmetal.

(4) Graphite is a good conductor of electricity, but diamond is a poor conductor of electricity.

2    

35 Which equation shows conservation of charge?

4    

 

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 55-57 Questions 58-59 Questions 60-61 Questions 62-65 Questions 66-68 Questions 69-72 Questions 73-74  Questions 75-76  Questions 77-78  Questions 79-80  Questions 81-82  Questions 83-85

Back to Regents Exams