what is the atomic #, atomic mass, number of protons, neutrons,electrons

Chemistry
Tutor: None Selected Time limit: 1 Day

2412 Mg2-

Sep 29th, 2015

Thank you for the opportunity to help you with your question!

Atomic #: 12

Atomic Mass: 24

Protons: 12

Neutrons: 12

Electrons: 10

See my other answer for a full explanation, or go to this site:

http://education.jlab.org/qa/pen_number.html

Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 29th, 2015

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