19 When alpha particles are incident on a thin metal foil, most of them pass through undeviated.
What does this observation reveal about the nature of the atom?
A
The atom has a dense nucleus.
B
The atom is mostly empty space.
С
The atom is very small.
The nucleus of the atom is positively charged.
D
According to Ernest Rutherford explanation most of the alpha particle passed through the foil undeflected it is because most of the space in an atom is empty
