Atomic Structure 3 Flashcards
(10 cards)
1
Q
What is alpha radiation ?
A
Helium nucleus
2
Q
What is beta radiation ?
A
Electrons
3
Q
What is gamma radiation ?
A
Electromagnetic radiation
4
Q
What are the applications of radioactive isotopes?
A
- Medicine- cancer treatment
- Carbon dating
- Energy generation-
5
Q
What are radioactive isotopes ?
A
Atoms that have an unstable nucleus due to an imbalance of protons and neutrons
6
Q
What is radiation activity measured in ?
A
Becquerel
7
Q
What is radiation biological damage measured in ?
A
Sievert
8
Q
What is absorbed radiation measured in ?
A
Gray
9
Q
What is nuclear fission ?
A
A heavy nucleus splits into two smaller nuclei, releasing neutrons
10
Q
What is nuclear fusion ?
A
Two light nuclei fuse into a heavier nucleus
