Approximately how much smaller is an electron than a hydrogen atom?
1 / 2000
In science,what does massive mean?
Has lots of mass - e.g a nucleus could be considered massive
Why was the gold foil experiment conducted in a vacuum
To prevent air molecules from absorbing alpha particles
The atomic model developement stuff is mostly in C1 flashcards
jack edward
In the cathode ray experiment, what does the fact that a pinwheel in the path of the cathode rays began to spin mean?
The cathode rays were very small mass