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Author Question: Which of the following is a positive ion? A) Na+ B) Ca2+ C) Mg2+ D) Al3+ E) all of the ... (Read 124 times)

schs14

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on: Aug 27, 2018
Which of the following is a positive ion?
 
  A) Na+
  B) Ca2+
  C) Mg2+
  D) Al3+
  E) all of the above

Question 2

If two protons and two neutrons are removed from the nucleus of the oxygen-16 isotope, a nucleus of which element remains?
 
  A) nitrogen-12
  B) carbon-12
  C) neon-18
  D) carbon-14


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beccamahon

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

E

Answer to Question 2

B


schs14

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Reply #2 on: Aug 27, 2018
Thanks


beccamahon

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


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