When -particles are sent through a thin metal foil, most of them go straight through the foil because, |
|
a) |
-particles are much heavier than electrons |
b) |
-particles are positively charged |
c) |
Most part of the atom is empty space |
d) |
-particles move with high speed |
When -particles are sent through a thin metal foil, most of them go straight through the foil because, |
|
a) |
-particles are much heavier than electrons |
b) |
-particles are positively charged |
c) |
Most part of the atom is empty space |
d) |
-particles move with high speed |
-particles are much heavier than electrons |
Most part of the atom is empty space |