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16 Cards in this Set
- Front
- Back
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Definition of Atom?
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Atoms are the fundamental unit of all matter.
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3 constituent of an Atom
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Protons (+), Neutrons (neutral), Electrons (-)
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What is a molecule?
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A compound of a defined number of atoms in a particular spatial relationship.
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Chemical bonding
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The process of chemical combination and re-arrangement.
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Ionic bond
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A linkage in which 2 or more ions are bonded to eachother by virtue of their opposite charge.
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Covalent bond
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Type of chemical bond in which 2 atoms are linked through a sharing of electrons.
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Hydrogen bond
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A chemical bond that links an already covalent bonded Hydro atom with a second, usually with electronegative atom.
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Solvent, Solute, Solution
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- Salt is being dissolved
- Water is doing the dissolving - The mixture of salt & water |
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Matter
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Anything that takes up space and mass.
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Element
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A substance that is pure because it cannot be reduced to any simpler set of component substance through chemical process.
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Atomic number
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The number of protons in the nucleus of an atom.
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Isotopes
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The number of neutrons contained in its nucleus.
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Law of conservation of mass
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Matter is neither created nor destroyed in a chemical reaction.
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Polar covalent bond
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Electrons are shared unequally between atoms. One end of an atom will have a (-) charge & the other (+)
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Non polar covalent bond
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Electrons are shared equally between atoms.
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Ion
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A charged atom whose # of electrons differ from its # of protons
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