More cards in this set

Card 6

Front

A helium nucleus; 2 protons and 2 neutrons

Back

Preview of the front of card 6

Card 7

Front

An electron emitted from the nucleus

Back

Preview of the front of card 7

Card 8

Front

The ability of particles or electromagnetic radiation to ionise other neutral atoms or molecules

Back

Preview of the front of card 8

Card 9

Front

The average time taken for half of the unstable atoms in a radioactive material to decay

Back

Preview of the front of card 9
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