ClaireWeston
ClaireWeston ClaireWeston
  • 11-09-2017
  • Chemistry
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What is the answer to this question?

What is the answer to this question class=

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kphung76127
kphung76127 kphung76127
  • 11-09-2017
The answer is D.

The atomic number stands for the number of protons in each element. The number of protons is what is unique to each element. The number of neutrons varies; this is what isotopes are. The number of protons being the atomic number explains why the atomic number is an identifying characteristic of each element.
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