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- 1Chemistrychemical reactions
- 2AtomThe smallest, basic unit of matter (unable to be cut)
- 3Subatomic particlesProtons, neutrons, and electrons that make up an atom
- 4NucleusCenter of an atom
- 5ElectronNegatively charged particle (–)
- 6ProtonPositively (+) charged particle in the nucleus
- 7ElementPure substances that is made entirely of one atom
- 8Isotopes"Atoms of the same element that duffer in number of neutrons they contain"
- 9Mass number"Sum of protons and neutrons in an atom's nucleus"
- 10Radioactive isotopesUnstable nuclei that break down at a constant rate"
- 11CompoundSubstance formed by chemical combination of 2 or more elements in definite proportions
- 12Covalent bondsWhen electrons are shared between atoms
- 13Ionic bondsWhen one or more electrons are transferred to another atom
- 14MoleculeSmallest unit of most compounds
- 15Van der Waals forcesintermolecular forces of attraction
- 16NeutronsNeutral particles
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- Fichas sobre Sin título, creado por Melissa Wilson el 30/09/2015.
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- Melissa Wilson
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