Question

How many protons, neutrons, and electrons are present in an atom of aluminum-27?

Answer 1

The number of neutrons in an aluminum atom depends on the isotope. Al has the atomic number 13, that is it has 13 protons in the atom (Aluminium ). The most common and natural isotopes are Al27 and Al26 thus these atoms have 14 and 13 neutrons respectively (Isotopes of aluminium )