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Home Q & A Board Biology-Related Homework Help General Biology
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jackiemartini09 jackiemartini09
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6 years ago
An element's mass number is equal to the sum of its
  a. protons and electrons.
  b. protons and neutrons.
  c. electrons and neutrons.
  d. protons only.
  e. electrons only.

Question 2

The atomic number refers to the
  a. mass of an atom.
  b. number of protons in an atom.
  c. number of both protons and neutrons in an atom.
  d. number of neutrons in an atom.
  e. number of electrons in an atom.
Textbook 
Human Biology

Human Biology


Edition: 10th
Authors:
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hbirk8hbirk8
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6 years ago
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#2
6 years ago
Commenting just to show my support for informative posts like this, keep it up 10/10
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#3
6 years ago
That helps more than you thinks, thanks for being so thoughtful
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