Physical Science

The atom number of an element is the same as its.....protons, neutrons, or nucleons?

same at the protons, same as the electrons


Since this is not my area of expertise, I searched Google under the key words "atomic number" to get these possible sources:

http://en.wikipedia.org/wiki/Atomic_number
http://education.jlab.org/glossary/atomicnumber.html
http://www.answers.com/topic/atomic-number

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search.

I hope this helps. Thanks for asking.

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