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Related Flashcards
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Cards In This Set
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Ions
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Atoms with a postive or negative charge
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Valance Electrons
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An electron in the highest occupied energy level1s22s22p6 ______> 2 is the highest energy level; 6+2=8, 8=valance electron
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Octet rule
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Atoms react by gaining or losing equations
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Ionic Compounds
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Compounds composed of positive and negative ionscan conduct electric current when melted or dissolved in water
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Ionic Bond
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Attraction binds oppositely charged ions together
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Chemical formula
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Indicates number and type of atoms present in smallest representative unit of a substance
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Formula unit
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The lowest whole number ratio of ions in an ionic compound
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Coordination number
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The number of ions of opposite charge that surround each ion in a crystal
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Metallic bond
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Force of attraction that holds metals together
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Alloy
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Blends of metals (usually)
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Covalent bond
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(share) bond formed by the sharing of of electrons between atoms
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Molecule
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A neutral group of atoms joined together by covalent bonds
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Diatomic molecule
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A molecule consisting of two atoms
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Triatomic molecule
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A molecule consisting of three atoms
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Molecular compound
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A compound composed of molecules
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