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Author Question: The element that corresponds to the electron configuration 1s2 2s2 is ________. A) lithium B) ... (Read 77 times)

bobbie

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on: Aug 27, 2018
The element that corresponds to the electron configuration 1s2 2s2 is ________.
 
  A) lithium
  B) nitrogen
  C) carbon
  D) boron
  E) beryllium

Question 2

The ion, IO2-, is named
 
  A) iodate ion.
  B) iodite ion.
  C) iodine dioxide ion.
  D) iodine(II) oxide ion.


Li Jun

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

E

Answer to Question 2

B


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bobbie

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Reply #2 on: Aug 27, 2018
Thanks


Li Jun

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Reply #3 on: Aug 27, 2018
Welcome :)


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