What is the atomic mass of aluminum?

1 Answer
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?