None of the units on the list you provided with the question has any name.
Atoms
The smallest units of matter are the subatomic particles.
No two units of matter can occupy the same space at once. This is one of the primary properties of matter.
The atoms
Gottfried Leibniz
I think one of them is electrons, I'm doing homework about it, I'll come back later and update.
Those are called derived units.
proton
Molecules are composed of atoms. Depending on how you break up a molecule, you may also form ions (charged particles) or free radicals (molecules with unpaired electrons).
Scientist use the "Internation system of Units" to measure the properties of matter
dimensional analysis
John Dalton