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Home Q & A Board Biology-Related Homework Help General Biology
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khalasar99 khalasar99
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6 years ago
Carbon dioxide is an example of a(n) ____.
 
  a. atom
  b. ion
  c. compound
  d. mixture
  e. element

Question 2

Nitrogen, with an atomic number of 7, has ____ electron(s) in the first energy level and ____ electrons in the second
  energy level.
 
  a. one; six
  b. two; five
  c. three; four
  d. four; three
  e. five; two
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carelesslycoolcarelesslycool
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6 years ago
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khalasar99 Author
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#2
6 years ago
Thank you so much for providing this
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