Atomic StructureHard
Question
When alpha particles are sent towards a thin metal foil, most of them go straight through the foil because
Options
A.alpha particles are much heavier than electrons
B.alpha particles are positively charges
C.most part of the atom is empty space
D.alpha particles move with high speed
Solution
Since most part of atom is empty space, so, when a particles are sent towards a thin metal foil, most of them go straight through the foil.
Create a free account to view solution
View Solution FreeMore Atomic Structure Questions
Which of the following is electronic configuration of Cu2+ (Z = 29) ?...Ionisation energy of Cl- is 349 kJ mol-1. The electron gain enthalpy of chlorine would be :-...The energy of an electron in the first Bohr orbit of H-atom is -13.6eV. The possible energy value (s) of the excited sta...The uncertainty in the momentum of an electron is 1.0 × 10-5 kg m s-1. The uncertainty in its position will be: (h ...Which onr of the following sets of quantum numbers represents an impossible arrangement ?...