This number is 50 atoms.
22 hydrogen atoms
Ten million atoms / Avagadro's Number, 6.022e23 atoms per mole = 1.66e-17 moles
ten as each hydrogen molecules contains two atoms.
Caffeine has the molecular formula C8H10N4O2So there will be ten hydrogen atoms.
I can only tell you what I know about it. About ten years ago this sort of microscope showed images of lithium atoms for the first time. These are the smallest atoms apart from hydrogen and helium.
ten
atoms
There are ten hydrogen atoms in 14.8g of C2H520(Diethyl Ether).
Atomic atoms were the first to form.
Deca stands for 10. So there are ten chlorine atoms is decachloride.
I think Democritus first posited the existence of atoms.