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    Environmental Science
  3. Study Set
    Essential Environment
  4. Exam
    Exam 2: Environmental Systems: Matter, Energy, and Ecosystems
  5. Question
    ______________ Is Defined as the Number of Protons Plus the Number
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______________ Is Defined as the Number of Protons Plus the Number

Question 7

Question 7

Multiple Choice

______________ is defined as the number of protons plus the number of neutrons.


A) Atomic number
B) Mass number
C) Nuclear number
D) Ionic number
E) Isotopic number

Correct Answer:

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