Flashcards
Chemistry cards
Flashcards do conjunto (3)
- 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 SCIENCE (Chemistry) FlashCards sobre Chemistry cards, criado por maddiejessop em 28-03-2015.
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- maddiejessop
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