(a(i))[1]
State which radioactive emission penetrates the most.
(a(ii))[1]
State which radioactive emission has the greatest ionising ability.
(a(iii))[1]
State which radioactive emission is positively charged.
(b(i))[1]
Determine the number of protons in a single nucleus of iodine-131.
(b(ii))[1]
Determine the number of neutrons in a single nucleus of iodine-131.
(c)[2]
Calculate what the activity of this sample will be after 24 days.