Isotopes have the same number of protons, but a different number of ...
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Card 9
Front
These particles are Helium Nuclei: -This radiation is when the particle is emitted. -Don't penetrate materials, are stopped quickly. -Don't travel far in air, absorbed by a sheet of paper. -Strongly ionising because of their size
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Card 10
Front
How easily radiation knocks electrons off atoms
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Card 11
Front
These particles are High Speed Electrons released: -They have virtually no mass, a charge of -1. -Moderately ionising and Moderately penetrating. -Range in air of only a few meters. -Absorbed by a sheet of aluminium (5mm)
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Card 12
Front
Theses are Electromagnetic waves with a short wavelength:- Penetrate far into materials without being stopped and will travel a long distance in air. -Weakly ionising =, pass through things instead of colliding, but during a collision there is damage
