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Related Flashcards
Cards In This Set
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Atom
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Simplest form of an element
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Nucleus
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Center of an atom. (protons and neutrons)
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Electrons
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Negatively charged and orbit the nucleus
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Element
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Purest form of a substance
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Isotope
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Atoms of the same element that differ only in the number of neutrons
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Compound
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Two or more atoms chemically bound together
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Ionic Bond
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Two atoms bonded by transferring electrons and creating ions with different charges
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Ion
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Atom with a charge (+ or -)
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Covalent Bond
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Atoms bonded by sharing electrons
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Molecule
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Compound formed from covalent bonding
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Van der Waals Forces
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Slight attraction ever-present between molecules
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Hydrogen Bond
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Bond formed from the electrical attraction between two polar molecules....like the water molecule
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Cohesion
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The attractive forces between two water molecules....caused by hydrogen bonding
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Adhesion
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The attractive forces between two different molecules...such as water and glass (meniscus)
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Mixture
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Two or more substances physically mixed together, but NOT chemically joined.
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