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JSS3: BASIC SCIENCE - 2ND TERM

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  1. Light Energy | Week 1
    2 Topics
  2. Reflection of Light | Week 2
    5 Topics
    |
    1 Quiz
  3. Sound Energy | Week 3
    4 Topics
  4. Sound Energy - Echoes, Hearing | Week 4
    2 Topics
    |
    1 Quiz
  5. Electrical Energy - Concept of Electrical Flow | Week 5
    2 Topics
  6. Arrangement of Resistors | Week 6
    3 Topics
  7. Electrical Meter Reading and Billing | Week 7
    2 Topics
    |
    1 Quiz
  8. Magnetism | Week 8
    2 Topics
  9. Laws of Magnetism | Week 9
    4 Topics
    |
    1 Quiz
  10. Radioactivity | Week 10
    5 Topics
    |
    1 Quiz



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Lesson 10, Topic 4
In Progress

Characsteristics of Alpha, Beta and Gamma Emission

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Particle,
Symbol
NotationCompositionChargePenetrating power
1Alpha α\( \scriptsize _{2} ^{4} \textrm {He}\)2 protons
2 neutrons
2+Low
2.Beta, β\( \scriptsize _{-1} ^{0} \textrm {e}\)Electron1-100 times greater
than that of alpha
3Gamma, Y\( \scriptsize _{0}^{0}\textrm {}\gamma \)Electromagnetic waves0Very great

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