The atomic numbers of nitrogen, oxygen and sodium are 7, 8 and 11 respectively. (a) Write the electron arrangements of their ions, N3-, O2- and Na+....

      

The atomic numbers of nitrogen, oxygen and sodium are 7, 8 and 11 respectively.
(a) Write the electron arrangements of their ions, N3-, O2- and Na+.
(b) Arrange the 3 ions in increasing order of size. Give a reason for your answer.

  

Answers


sharon
(a) 2.8
(b) Na+, O2-, N3-
No of protons decrease to the right hence reducing the effective nuclear charge.
sharon kalunda answered the question on March 28, 2019 at 11:37


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