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chemistry
13
Chemistry
10th Grade
12/15/2008

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Term
compounds (peralta)
Definition
a chemical combination of two or more different elements in a a fixed ratio.
Term
ionic bond (peralta)
Definition
bound formed by transferring electrons from a metal to a non-metal.
Term
chemical bond (peralta)
Definition
the force holds two atoms together.
Term
Covalent bonding (peralta)
Definition
formed between two non-metals and they share electrons.
Term
oxidation number (peralta)
Definition
the positive or negative charge of an ion.
Term
electron affinity (peralta)
Definition
how much attraction an atom has for electrons
Term
nonpolar covalent bonds
Definition
electrons are equally share and there is no charge (symetrical)
Term
polar covalent bond
Definition
electrons are unequally share the molecule has an area of positive charge and area of negative charge (not symetrical)
Term
octet rule (peralta)
Definition
an outer shell of eight valence electrons is most disarable/stable
Term
group 18
Definition
(noble gasses) rarely from compounds
Term
ionization energy (peralta)
Definition
how easily an atom losses an electron
Term
single bond (peralta)
Definition
shares one pair with electrons
Term
double bond (peralta)
Definition
shares two pairs with electrons
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