Atomic Structure Result Question 17
When alpha particles are sent through a thin metal foil, most of them go straight through the foil, because the majority of the atom’s volume is empty space
(1984, 1M)
(a) alpha particles are much heavier than electrons
(b) alpha particles are positively charged
(c) most part of the atom is empty space
(d) alpha particles move with high velocity
Show Answer
Answer:
Correct Answer: 17. ( a,c )
Solution:
Alpha particles pass mostly undeflected when sent through thin metal foil mainly, because
(i) it is much heavier than electrons.
(ii) most part of atom is empty space.
BETA
