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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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Storm Storm
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6 years ago
What is the mass number of the element produced when an element with mass number A emits a positron?
 A) A __ 2
  B) A __ 1
  C) A
  D) A + 1
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BubbblesBubbbles
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6 years ago
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Storm Author
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6 years ago
Just got PERFECT on my quiz
kobbhy
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Yesterday
Helped a lot
ouasfoudgewu
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2 hours ago
Thanks
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