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Chemistry part 2

bonding, types of reactions

TermDefinition
ion an atom that has lost or gained electrons and has a positive or negative charge
positive ion what metal atoms become since they tend to lose electrons
negative ion what nonmetal atoms become since they tend to gain electrons
ionic bond forms when two oppositely charged ions attract to form a compound
covalent bond forms when nonmetals share pairs of electrons in overlapping electron clouds
metallic bond forms when electron clouds of metal atoms overlap and valence electrons "swim" among the clouds
properties of ionic compounds crystal structures, high melting point, good conductors in water
properties of covalent compounds low melting point, poor electrical conductors
properties of metallic bonds malleability, ductility, good electrical conductors, high melting point
synthesis chemical reaction that forms more complex substances from simpler ones
decomposition chemical reaction that breaks down a larger substance into simpler parts
replacement chemical reaction that involves "trading" of atoms between compounds
neutralization chemical reaction involving an acid and a base that produces neutral products (water and salt)
exothermic chemical reaction that releases thermal energy
endothermic chemical reaction that requires (takes in) thermal energy
combustion chemical reaction involving a hydrogen-carbon compound (hydrocarbon) burning with oxygen to produce carbon dioxide and water
Created by: lfurrow13
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