One common chemistry homework assignment is finding atomic mass. The
atomic mass is the sum of the masses of the protons, neutrons, and
electrons in an atom, but the electrons have so much less mass than the
protons and neutrons that they are left out of the calculations. Atomic
mass thus becomes the sum of the mass of an atom's protons and neutrons.
It's
not difficult to find atomic mass, but there are three types of
problems you may be asked to perform, depending how advanced your class
is. Here's a look at how to find atomic mass, no matter how the problem
is presented.
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