مقیاس جهان ۲

Chlorine Nucleus

۶ × 10-15 m

The chlorine nucleus has 17 protons. There are usually 18 or 20 neutrons there also! Only rarely are there 19 neutrons. I'm not sure why that is though. Do you know? Tell me if you do.

باز کردن روی مقیاس
Chlorine Nucleus