What is the atomic mass of aluminum? Chemistry Matter Atomic Mass 1 Answer anor277 Nov 26, 2015 About 27 g*mol^-1 of aluminum ATOMS. Explanation: The atomic number (Z) of aluminum is 13. Its nucleus thus contains 13 protons. Given this, can you quote the number of electrons in the aluminum atom, and the number of neutrons that are contained within the nucleus. How do you know you are right? Answer link Related questions How do you calculate the atomic mass of carbon? How are atomic mass and mass number different? How do you calculate atomic mass from isotopic composition ? How do atomic mass and atomic weight differ? How do atomic masses reflect isotope abundances? How do atomic masses vary throughout the periodic table? How much atomic mass is in hydrogen? What atomic mass does ekasilicon have? Why are atomic masses of most of the elements fractional? What is atomic mass? See all questions in Atomic Mass Impact of this question 22504 views around the world You can reuse this answer Creative Commons License