Flashcards
Definitions
Cards in this deck (8)
- 1Subatomic particles and there characteristicsProton - Positive, heavy, no movement, located in nucleus
Neutron - Neutral, heavy, no movement located in nucleus
Electron - Negative, fast moving, light, located in electron shells - 2ElementPure substance made up of one type of atom
- 3MoleculeTwo or more atoms of the same element bonded together
- 4CompoundTwo or more atoms of different elements bonded together
- 5RadioactivityEmission of radiation from an unstable nucleus, releasing particles and energy.
- 6Radioactive DecaySpontaneous transformation of unstable atomic nucleus into a lighter one
- 7IsotopeElement with the same atomic number but with a different number of neutrons
- 8Radioisotope + exampleAn atom that gives of radiation
C-14
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- Chemistry (Yr 9) Flashcards on Definitions, created by bpmulley on 10/05/2015.
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- bpmulley
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