chemistry question!!! help!?

[Lindsay]

D!!!!!!

 

[ashley m]

which of the following lists the particles in order from least massive to most massive?
a) proton, electron, hydrogen atom, helium atom
b) proton, helium atom, hydrogen atom, electron
c) hydrogen atom, electron, helium atom, proton
d) electron, proton, hydrogen atom, helium atom

thanks in advance!!

 

[Bryan]

D is the best answer. Though technically, Hydrogen and Helium are atoms not particles, per se.

 

[paul b]

D

Electron is almost nothing. So it is the least.

 

[Tomatotree]

D - Electron is 1/1836th of a Proton