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CH 6 vocab
vocab
12
Science
8th Grade
02/05/2013

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Term
sperical cloud of varying density surrounding the nucleus
Definition
electron cloud
Term
the different areas for an electron in an atom
Definition
energy level
Term
symbol for the element surrounded by as many dots as there are electrons in its outer energy level
Definition
electron dot diagram
Term
the force that holds two atoms together
Definition
chemical bond
Term
atom that is no longer nuetral because it has lost or gained an electron
Definition
ion
Term
attraction that holds oppositley charged ions close together
Definition
ionic bond
Term
pure substance containing two or more elements that are chemically bonded
Definition
compound
Term
form when metal atoms share thier pooled electrons
Definition
metallic bond
Term
chemical bond that forms between nonmetal atoms when they share electrons
Definition
covalent bond
Term
neutral particle formed when atoms share electrons
Definition
molecule
Term
bond in which electrons are shared unevenly
Definition
polar bond
Term
combination of chemical symbols and numbers that shows which elements are present in a compound and how many atoms of each elecmet are present
Definition
chemical formula
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