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Chemistry cards
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- 1THE ATOMcontains a nucleus which contains protons and neutrons. Nucleus is surrounded by electrons arranged in shells. The particles have different relative masses and charges
- 2Protons, neutrons & electronsProtons= positive
Neutrons= neutral
Electrons= negative - 3Atomic number & mass numberEach element has 2 numbers in the periodic table
Bottom number=atomic number (this gives the number of protons found in the nucleus)
Top number= mass number (tells you the total number of protons and neutrons in nucleus)
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- GCSE (Chemistry) SCIENCE Fichas sobre Chemistry cards, creado por maddiejessop el 28/03/2015.
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- maddiejessop
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