Unformatted text preview: and 7 neutrons; atom 3 has 8 protons and neutrons. Which two are isotopes of the same element? c. Oxygen has atomic number 8. How many times must an oxygen atom be ionized to create an O +5 ion? How many electrons are in an O +5 ion? 2. [5 pts] [Chapter 5, question 42] Energy Level Transitions . See textbook for details....
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This note was uploaded on 03/26/2008 for the course ASTRO 150 taught by Professor Guillermogonzalez during the Fall '07 term at Iowa State.
- Fall '07