Nucleus 12
Nucleus 12 :
The small, central, positively charged region of an atom that carries the atom's nuclei. Except for the nucleus of ordinary (light) hydrogen, which has a single proton, all atomic nuclei contain both protons and neutrons. The number of protons determines the total positive charge, or atomic in exceptional cases, weeks or months after dissemination of the agent. As a general rule, persistent agent duration will be greater than 12 hours
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