An unknown element X is a nonmetal and has a valence electron configuration of ns^2np^3. Explain all your answers.  a) How many valence electrons does this element have? b) What are some possible identities for this element? Name at least two. c) What is the formula this element would form with potassium?  d) Would this element have a larger or smaller radius than barium? e) Would this element have a greater or smaller ionization energy than fluorine?

Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter2: Atomic Structure And Periodicity
Section: Chapter Questions
Problem 146AE: An unknown element is a nonmetal and has a valence electron configuration of ns2np4 a. How many...
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An unknown element X is a nonmetal and has a valence electron configuration of ns^2np^3. Explain all your
answers.
 a) How many valence electrons does this element have? b) What are some possible identities for this element? Name at least two. c) What is the formula this element would form with potassium?  d) Would this element have a larger or smaller radius than barium? e) Would this element have a greater or smaller ionization energy than fluorine? 

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