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7 Nuclear Decay 2 protons & 2 neutrons Neutron decays into a proton & an electron is given off Only Energy is release
• 8 Alpha particles consist of two protons and two neutrons, identical to the nucleus of a helium atom. • A sheet of paper or a person’s surface layer of skin will stop them. • Alpha particles are only considered hazardous to a person’s health if they are ingested or inhaled and thus come into contact with sensitive cells such as in the lungs, liver and bones.
Page 1 and 2: 1 Clip
Page 3 and 4: 3 Clip Radioactivity is the spontan
Page 5 and 6: 5 Energy is released during radioac
Page 7: 6 Types of Nuclear Radiation • Wh
Page 11 and 12: • Beta particles are electrons em
Page 13 and 14: 11
Page 15: Gamma Radiation
Page 18 and 19: 14 Biological Effects of Radiation:
Page 20 and 21: Radiation is used positively in a v
Page 22 and 23: 17 Generate electrical power Nuclea
Page 25 and 26: •Nuclear power can come from the
Page 27 and 28: 21 FUSION •Fusion reaction: occur
Page 29: 22 Half Life is the amount of time
Page 32 and 33: 14 C • Radioactive 14 C acts chem
Page 34 and 35: 2 7
Page 36: Geiger Counter • Used to measure

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