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Monster Media 1996 #15
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Monster Media Number 15 (Monster Media)(July 1996).ISO
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vocab211.zip
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CHEM.DAT
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physical propr. characteristic observable without changing the matter itself
chemical propr. describes a substance's ability to react
mixture two or more substances combined but not chemically combined
phase state of matter
atom smallest particle of an element that is still that element
nucleus contains protons and neutrons (in an atom)
proton positively charged heavy particle in nucleus of an atom
neutron non-charged heavy particle in nucleus of an atom
electron negatively charged light particle in shells of an atom
orbital energy shell of an atom
atomic number number of protons in the nucleus of an atom
mass number total of protons + neutrons
element substance that is made of only one type of atom
isotope substance with an unusual number of neutrons
radioactive unstable and likely to release particles from the nucleus
compound a substance made of two or more atoms chemically combined
bond tranferring or sharing of electrons
2 maximum number of electrons in first shell
8 maximum number of electrons in second shell
ionic bond bond in which electrons are tranferred between atoms
ion a charge atom created by gain or loss of electrons
covalent bond bond in which electrons are shared between atoms
double bond bond in which 2 pairs of electrons are shared
chemical react. any process in which a chemical change occurs
molecule two or more atoms chemically combined
solution a homogeneous mixture
solute the substance that is dissolved
solvent the substance in which the solute is dissolved
suspension a heterogeneous mixture that contains particles
colloid a mixture composed of dispersed medium-sized particles
hydrogen ion released by an acid
hydroxide ion released by a base
neutral solutionwhere hydrogen and hydroxide ions are equal in number
acid ph below 7; more hydrogen ions than hydroxide ions
base ph above 7; more hydroxide ions than hydrogen ions
reactants the substances that react with one another
products the result of a chemical reaction