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Biology 150 Final

Question:

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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Last update by mayurcooled on 04/11/2014
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Biology 150 Final
Biology 150 Final
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Question: 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