Biology 150 Final

Last update by mayurcooled on 04/11/2014
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The mass number of an atom is 15, and its atomic number is 7. The atom probably has...

a.) at least 15 electrons. b.) 7 protons in the nucleus c.) about as much mass in electrons as in protons d.) 7 units of negative charge in the nucleus. e.) 8 electrons in the nucleusin the nucleus

Answer:
b. 7 protons in the nucleus

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