To have a negative ion, you must have: A) taken away a proton ...

[humphriesbr@me.com]

To have a negative ion, you must have:
 
  A) taken away a proton from the nucleus.
  B) added a positron to the nucleus.
  C) added a positron to the outer electron shell.
  D) added an electron to the outer electron shell.
  E) None of these; only positive ions can exist in nature.

Question 2

The ________ epoch has dominated the last ten billion years of universal evolution.
 
  Fill in the blank(s) with correct word

[strudel15]

Answer to Question 1

D

Answer to Question 2

stellar

[humphriesbr@me.com]

Thanks

[strudel15]

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