2. Physics 11 S.Coghlan

3. This concept map is designed to help you; Understand how the various different parts of nuclear technology link together. Study the whole section of work. Main Concepts Linking words Printer friendly version available from my web site

4. Nuclear Technology Atomic Structure Radiation from nucleus Radiation from environment Nuclear equations Binding energy calculations FusionFission Radioactive isotopes modelinvolves includesbalance E = mc 2 joining splittinguses

5. Nuclear Technology Atomic Structure model Radiation from nucleus Radiation from environment involves includes Nuclear equations balance Binding energy calculations E = mc 2 Fusion joining Fission splitting Radioactive isotopes uses

6. Nuclear Technology Atomic Structure model Radiation from nucleus Radiation from environment involves includes Nuclear equations balance Binding energy calculations E = mc 2 Fusion joining Fission splitting Radioactive isotopes uses NucleusElectron cloud (Energy levels)Isotopes Geiger counter   Effect on humans Bq Sv GyAZ hasprotons protons + neutronshas atomsdetected by typesdetrimental unitsarranged in

7. Nuclear Technology Atomic Structure model Radiation from nucleus Radiation from environment involves includes Nuclear equations balance Binding energy calculations E = mc 2 Fusion joining Fission splitting Radioactive isotopes uses Nucleus has A protons Z protons + neutrons Electron cloud has (Energy levels) arranged in Isotopes atoms Geiger counter detected by   types Effect on humans detrimental Bq Sv Gy units

8. Nuclear Technology Atomic Structure model Radiation from nucleus Radiation from environment involves includes Nuclear equations balance Binding energy calculations E = mc 2 Fusion joining Fission splitting Radioactive isotopes uses Nucleus has A protons Z protons + neutrons Electron cloud has (Energy levels) arranged in Isotopes atoms Geiger counter detected by   types Effect on humans detrimental Bq Sv Gy units Very high temperature Stars Nuclear reactor Energy source Atomic explosions Calculated ½-life Decay curves requiresoccurs controlled efficient uncontrolled decay produces can be

9. Nuclear Technology Atomic Structure model Radiation from nucleus Radiation from environment involves includes Nuclear equations balance Binding energy calculations E = mc 2 Fusion joining Fission splitting Radioactive isotopes uses Nucleus has A protons Z protons + neutrons Electron cloud has (Energy levels) arranged in Isotopes atoms Geiger counter detected by   types Effect on humans detrimental Bq Sv Gy units Very high temperature requires Stars occurs Nuclear reactor controlled Energy source efficient Atomic explosions uncontrolled ½-life decay Decay curves produces Calculated can be

10. S.Coghlan Physics 11 Your own concept map Single page concept map

11. modelinvolves includesbalance E = mc 2 joining splittinguses hasprotons protons + neutrons Hasatomsdetected by typesdetrimental units arranged in requiresoccurs controlled efficient produces can be uncontrolled decay You can use these Main Concepts and Linking Words to complete your own concept map. You can print out the next page and use it as a framework. Main Concepts Linking Words Printer friendly version available from my web site Atomic Structure Radiation from nucleus Radiation from environment Nuclear equations Binding energy calculations FusionFission Radioactive isotopes NucleusElectron cloud (Energy levels)Isotopes Geiger counter   Effect on humans Bq Sv GyAZ Very high temperature Stars Nuclear reactor Energy source Atomic explosions Calculated ½-life Decay curves

12. Printer friendly version available from my web site Nuclear Technology

13. Nuclear Technology Atomic Structure model Radiation from nucleus Radiation from environment involves includes Nuclear equations balance Binding energy calculations E = mc 2 Fusion joining Fission splitting Radioactive isotopes uses Nucleus has A protons Z protons + neutrons Electron cloud has (Energy levels) arranged in Isotopes atoms Geiger counter detected by   types Effect on humans detrimental Bq Sv Gy units Very high temperature requires Stars occurs Nuclear reactor controlled Energy source efficient Atomic explosions uncontrolled ½-life decay Decay curves produces Calculated can be

14. ½-life calculations (A) N = N 0 2 -t/T N  number of nuclei remaining N 0  number of nuclei initially t  time T  half-life

15. ½-life calculations (B) 100 radioactive nuclei initially 50 after 1 ½-life 25 after 2 ½-lives 12.5 after 3 ½-lives 6.25 after 4 ½-lives 3.12 after 5 ½-lives 1.56 after 6 ½-lives 

16. Measuring Radioactivity The unit of radioactive sample activity is the bequerel 1 Bq = 1 count per second = 1 decay per second The unit of radiation absorbed dose is the gray 1 Gy = 1 J kg -1 = Energy absorbed Mass The unit indicating cell damage due to radiation is the sievert 1 Sv = 1 J kg -1 = Absorbed dose (Gy) x Quality factor

17. C 6 14 N 7 e 0 + Beta emission 14 = + 0 6 = 7 + Mass numbers Atomic numbers