a single atom of an element has 11 protons, 11 electrons, and 12 neutrons. which element is it? o v o na o…
a single atom of an element has 11 protons, 11 electrons, and 12 neutrons. which element is it? o v o na o mg o se
Answer
Brief Explanations:
The atomic number of an element is equal to the number of protons in its atom. Here, the atom has 11 protons, so the atomic number is 11. Sodium (Na) has an atomic number of 11.
Answer:
B. Na