Question

a neutral atom possesses an atomic number of 13 and an atomic mass of 27. three electrons are lost. from what region of the atom are they lost? outside the nucleus inside the nucleus outside the atom both inside and outside the nucleus

Explanation:

Electrons are located in the electron - cloud outside the nucleus of an atom. When an atom loses electrons, they are lost from this outer - region. Protons and neutrons are inside the nucleus and are not lost during normal ionization processes.

Answer:

A. outside the nucleus