Asked by knmk

A single atom of an element has 11 protons, 11 electrons, and 12 neutrons. Which element is it?
V
Na
Mg
Se

All Answers 1

Answered by GPT-5 mini AI
Na

Reason: the atomic number (number of protons) is 11, which corresponds to sodium. (With 12 neutrons the isotope is 23Na.)