Nuclear chemistry Flashcards
(14 cards)
What charge do alpha particles carry
2+
What can stop an alpha particle
A piece of paper
True of false alpha particles will be attracted towards a negatively charged plate
True
What are beta particles
Electrons ejected from the nucleus of an atom
What can stop a beta particle
A thin sheet of aluminium
Will beta particles be attracted toward a positively charged plate
Yes
What are gamma rays
Electromagnetic waves emitted from the nucleus of the atom.
What stops gamma rays
Thick barriers of lead or concrete
What is the nuclide notation for alpha particles
4
He
2
What is the nuclide notation for beta particles
0
e
-1
What is the nuclide notation for a proton
1
p
1
What is the nuclide notation for a neutron
1
n
0
What is half life
The time it takes for half of the nuclei of a particular isotope to decay
What are some uses for radioactive isotopes
Medicine and industry
