Answers

2016-02-13T19:02:48+05:30
Sodium is the metal which has 23 mass number .
so its atomic number is 11 . number of electrons= protons . So electrons=11 and protons =11 and .
neutrons =mass -protons . neutrons = 23-11 =12
electrons=11
protons=11
atomic number =11
neutrons =12
(given) mass =23
hope it helps you
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Mark as brailest it helped you so much
2016-02-13T23:34:49+05:30
Ya
KOMI1 is absolutely correct only
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