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Radioactivity (Particles ((describe the nature of alpha (α) particles,…
Radioactivity
Particles
7.3 know the terms atomic (proton) number, mass (nucleon) number and isotope
7.4 know that alpha (α) particles, beta (β−
) particles, and gamma (γ) rays are ionising
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describe the nature of alpha (α) particles, beta (β−
) particles, and gamma (γ) rays,
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Practiacals
investigate the penetration powers of different types of radiation using
either radioactive sources or simulations
7.3 know the terms atomic (proton) number, mass (nucleon) number and isotope
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know that the activity of a radioactive source decreases over a period of time and is
measured in becquerels
know the definition of the term half-life and understand that it is different for different
radioactive isotopes
use the concept of the half-life to carry out simple calculations on activity, including
graphical methods
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