2009 Practice Test Question (Chem)

[kevini200]

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Each of the following statements is correct of ionic compounds in the solid state EXCEPT one. Which one is the EXCEPTION?

a. They are hard.

b. They are brittle.

c. They break with definite faces.

d. They exist as crystalline solids.

e. They are good conductors of electricity.


They all seem true to me. Anyone know the correct answer.


Also, does the ADA not provide the correct answers for people who pay to take the computer 2009 practice test? I've been really disappointed with the lack of explanation or even correct answers, and many of the questions don't even show up in the test review...

 

[bharat008]

Each of the following statements is correct of ionic compounds in the solid state EXCEPT one. Which one is the EXCEPTION?

a. They are hard.

b. They are brittle.

c. They break with definite faces.

d. They exist as crystalline solids.

e. They are good conductors of electricity.


They all seem true to me. Anyone know the correct answer.


Also, does the ADA not provide the correct answers for people who pay to take the computer 2009 practice test? I've been really disappointed with the lack of explanation or even correct answers, and many of the questions don't even show up in the test review...

Yeah i know. But if i had to choose 1 then i would say it's "C"...

 

[kevini200]

Oh, is it e. They are good conductors of electricity. because the question states "in a solid state??"

 

[bharat008]

Oh, is it e. They are good conductors of electricity. because the question states "in a solid state??"

That could be it too. I assumed they would dissolve 100% in water (since it's ionic) and therefore be good conductors. But since its specified as SOLID state i think it should be E too now..

 

[kevini200]

That could be it too. I assumed they would dissolve 100% in water (since it's ionic) and therefore be good conductors. But since its specified as SOLID state i think it should be E too now..

Yeah, I think so, too. Thanks for your feedback!