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Author Question: Which of the following pairs is isoelectronic? A) Ar and Ne B) Ar and Na+ C) Ar and F- D) Ar ... (Read 62 times)

Kikoku

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on: Aug 27, 2018
Which of the following pairs is isoelectronic?
 
  A) Ar and Ne
  B) Ar and Na+
  C) Ar and F-
  D) Ar and S2-

Question 2

If a solute is to be soluble in a given solvent, which step in the solution-making process must have a negative value for its energy?
 
  A) the physical separation of solvent particles
  B) the physical separation of solute particles
  C) the formation of solvent/solute interactions
  D) All three of the preceding steps must be negative for a solute to be soluble.


flexer1n1

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

C


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