2. alpha radiation (a) helium atom or beta radiation (b) electron or
Name
Characteristic
Particle Emitted
Nuclear Formula
has mass and size
only has energy
-----
alpha
radiation (a)
helium atom or
beta
radiation (b)
electron or
gamma
radiation (g)
neutron
proton or H
nucleus or

4. Review What is an isotope? An element with a different #p
An element with a different #n
An element with a different #e
A word

5. Review What is a radioactive isotope? An isotope that is inactive
An isotope that is active
An isotope that is unstable
An isotope that likes to listen to music and break dance

6. Review What is radioactive decay?
The breaking down of an unstable isotope
The breaking down of a stable isotope
When an isotope becomes a, b, or g
When an isotope goes bad

7. Review What is radiation? Heat and energy
Energy and particles emitted from radioactive decay
Particles emitted from an isotope
Nuclear bomb!

8. Review
What is the symbol for beta radiation? bb aa ag l b a g 

9. 17 13 4 8 6 2
𝟔 𝟏𝟑 𝐂
𝟑𝟏 𝟕𝟐 𝐆𝐚

10. transmutation has occurred

11. Alpha Decay (a)
2p and 2n 4

12. Alpha Decay (a)

13. Beta Decay (b)
electron
p + e

14. Beta Decay (b)

15. Gamma Decay (g)
energy
gamma ray

16. Gamma Decay (g)

17. 𝟗𝟐 𝟐𝟑𝟖 𝐔
→ 𝟗𝟎 𝟐𝟑𝟒 𝐓𝐡
+ 𝟐 𝟒 𝐇𝐞
𝟗𝟎 𝟐𝟑𝟒 𝐓𝐡
→ 𝟗𝟏 𝟐𝟑𝟒 𝐏𝐚
+ −𝟏 𝟎 𝛃
𝟗𝟏 𝟐𝟑𝟒 𝐏𝐚
→ 𝟗𝟐 𝟐𝟑𝟒 𝐔
+ −𝟏 𝟎 𝛃
𝟗𝟐 𝟐𝟑𝟖 𝐔
→ 𝟗𝟐 𝟐𝟑𝟒 𝐔
+ 𝟐 𝟒 𝐇𝐞
+𝟐 −𝟏 𝟎 𝛃

20. a 2+ 4 He b 1- e- g - slowest, heaviest - does not penetrate easily
- transmutation
- very small mass
very
small b 1- e-
- penetrates some things
- transmutation
- no mass, fastest g
high
energy
- penetrates the best
- no transmutation