Gamma Decay

Radioactive Decay

Radioactive Decay

Alpha Deca

y

Radioactive Decay

Alpha Deca

y

Beta Deca

y

Radioactive Decay

Alpha Deca

y

Beta Deca

y

Gamma

Decay

Radioactive Decay

Alpha Deca

y

Beta Deca

y

Gamma

Decay

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411

*Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(high energy nucleus)

Sodium-24(high energy nucleus)

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411

*Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

High Energy

State

Sodium-24(high energy nucleus)

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411

*Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus)

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

A photon

Sodium-24(lower energy

nucleus)

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus)

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus)

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus)

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus)

Sodium-24(high energy nucleus)

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411

*Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus)

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus)

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus)

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus)

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus)

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus) A photon

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus)

No asterisk

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus)

No Chang

e

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus)

same

No Chang

e

same

n

np

pn

n

p

p

p

p

p

p

p

p

n

n

n

n

p

pp

p

p

pp

p

n

n

n

n

n

n

n

n

n

n

n

nn

n

2411 Na

n

nn

n

p

pp

p

11 Protons13 Neutrons

Sodium-24(lower energy

nucleus)Photon of

Electromagnetic Energy

Photon of Electromagneti

c Energy

The Electromagnetic Spectrum

Energy

The Electromagnetic Spectrum

Energy

The Electromagnetic Spectrum

Energy

The Electromagnetic Spectrum

Energy

The Electromagnetic Spectrum

Energy

The Electromagnetic Spectrum

Energy

The Electromagnetic Spectrum

Energy

The Electromagnetic Spectrum

The Visible

Spectrum

Energy

The Electromagnetic Spectrum

The Visible

Spectrum

Energy

The Electromagnetic Spectrum

The Visible

Spectrum

Energy

The Electromagnetic Spectrum

The Visible

Spectrum

Energy

The Electromagnetic Spectrum

The Visible

Spectrum

Energy

The Electromagnetic Spectrum

The Visible

Spectrum

Energy

The Electromagnetic Spectrum

The Visible

Spectrum

Energy

The Electromagnetic Spectrum

Energy

R O Y G B IV

The Electromagnetic Spectrum

Energy

The Electromagnetic Spectrum

Energy

The Electromagnetic Spectrum

Energy

A Gamma Ray

Photon

A gamma ray Photon00 γ

Charge

00 γ

Mass

00 γ

Pure Electromagnetic Energy

00 γ

Nuclear Equations for Gamma Decay

Gamma Decay of Cesium–137

137 137 055 55 0

* *Cs Cs γ High

Energy Nucleu

s

Gamma Decay of Cesium–137

137 055

135 07

5* *Css γC

High Energy Nucleu

s

asterisk

Gamma Decay of Cesium–137

137 055

135 07

5* *Css γC

Lower Energy Nucleu

s

Gamma Decay of Cesium–137

137 055

135 07

5* *Css γC

Lower Energy Nucleu

s

No asterisk

Gamma Decay of Cesium–137

137 137 055 55 0

* *C Cs γs

same

Gamma Decay of Cesium–137

137 137 055 55 0

* *C Cs γs Same

element

symbol

Gamma Decay of Cesium–137

137 13755 55

00

* *Cs Cs γ A

GammaRay

Gamma Decay of Cesium–137

137 13755 55

00

* *Cs Cs γ zero

charge &

zero mass

Gamma Decay of Cesium–137

137 137 055 55 0

* *Cs Cs γ

Alpha Decay of Uranium–238

238 234 4 092 90 2 0U Th He + 2 γ

Alpha Decay of Uranium–238

2349

239 208 4 02 0U He +h 2 γT

Thorium–234

Alpha Decay of Uranium–238

238 234 092 90

402U Th + He 2 γ

Alpha Particle

Alpha Decay of Uranium–238

238 234 492 90

002U Th He + 2 γ

2 Gamma Rays

Beta Decay of Cobalt–60

60 0 02

608 1 027 Ni e C γo +

Cobalt–60

Beta Decay of Cobalt–60

6028

60 0 027 1 0Co e i γN +

Nickel–60

Beta Decay of Cobalt–60

60 60 027 28

01 0Co Ni +e γ Beta

Particle

Beta Decay of Cobalt–60

60 60 027 28 1

00Co Ni e + γ

A Gamma Ray

Nuclear Fission

Nuclear Fusion

Can also emit

gamma rays

Nuclear Fission

Nuclear Fusion

Can emit gamma

radiationBeta Decay

Alpha Decay

Gamma Decay