Chemistry · Structure of the Atom
The atomic mass of Aluminium is 27 u. What is its correct subatomic composition?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 113 protons + 14 neutrons✓
- 212 protons + 15 neutrons
- 314 protons + 13 neutrons
- 411 protons + 16 neutrons
Correct answer
13 protons + 14 neutrons
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