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Author Question: When the Huygens probe touched down on Titan, it landed A) in a vast ocean of liquid methane B) ... (Read 57 times)

maychende

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When the Huygens probe touched down on Titan, it landed
 
  A) in a vast ocean of liquid methane
  B) on a solid surface of frozen water and methane ices that resembled a streambed
  C) in a shallow pool of liquid methane
  D) on the slopes of an icy volcano covered with water and methane ice

Question 2

Consider an atom of oxygen in which the nucleus contains 8 protons and 8 neutrons. If it is doubly ionized, what is the charge of the oxygen ion and how many electrons remain in the ion?
 
  A) Charge = +2; number of remaining electrons = 8.
  B) Charge = -2; number of remaining electrons = 10.
  C) Charge = +2; number of remaining electrons = 6.
  D) Charge = +2; number of remaining electrons = 2.



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chem1s3

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Answer to Question 1

B

Answer to Question 2

C




maychende

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Reply 2 on: Jul 27, 2018
Excellent


LVPMS

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Reply 3 on: Yesterday
:D TYSM

 

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