Radiation

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  • Created by: shardex
  • Created on: 19-03-18 18:27

1. give the penetrating properties of the 3 types of radioactive radiation

  • beta - is stopped by paper and is the least penatrating Gamma - stopped by lead and concrete most penetrating Beta -stopped by aluminium and plastic like perplex
  • beta - stopped by paper gamma - stopped by plastic or aluminium alpha - stopped by lead or concrete
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2. What percentage of background radiation comes from natural sources

  • 18%
  • 15%
  • 19%
  • 20%

3. what is the three types of ionising radiation

  • alpha, beta and gamma
  • X-rays , rocks , radium

4. what does the realative atomic mass tell us

  • the total of protons
  • the total of electrons and neutrons
  • the total of protons and neutrons
  • the total of electrons

5. what does the atomic number tell us

  • how Manny protons and nuetrons there is
  • how Manny protons there is
  • how Manny neutrons
  • how Manny electrons
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