Chemistry · Structure of the Atom
The atomic number of sodium is 11 and its mass number is 23. It has ________.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 111 neutrons and 12 protons
- 212 protons and 11 electrons
- 311 electrons and 12 neutrons✓
- 412 electrons and 11 neutrons
Correct answer
11 electrons and 12 neutrons
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