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Adv. Chem Midterm

Chem midterm definitions I think might be useful but idk

TermDefinition
accuracy how close results are to the correct value
precision how close results are to each other
physical property property that can be observed without a chemical change
chemical property ability to undergo a chemical change
physical reaction no change in composition
chemical reaction change in composition
homogeneous mixture uniform mixture
heterogeneous mixture nonuniform mixture
element one type of atom
compound two or more types of atoms
pure substance one type of molecule
mixture multiple types of molecules
density mass over volume
proton positive particle
neutron neutral particle
electron negative particle
isotope atom with a different number of neutrons
electron cloud negatively charged area
nucleus (atom) densely packed protons and neutrons
ionic bond bond between a metal and a nonmetal
covalent bond bond between two nonmetals
anion negative ion
cation positive ion
oxidation-reduction reaction
combustion reaction
decomposition reaction
single replacement reaction
double replacement reaction
synthesis reaction
aqueous solution
balanced equation
mole large amount
oxidizing agent
reducing agent
atomic radius
ionization energy
electronegativity
electron affinity
valence electrons electrons in the highest energy level
diamagnetic
paramagnetic
orbital
alpha particle emission helium nucleus given off
beta particle emission
positron emission
electron capture inner electron absorbed into nucleus
gamma ray emission emission of rays of energy
half life time it takes half a substance to decay
nuclear fusion
nuclear fission
control rods rods that absorb neutrons
fuel rods rods of radioactive material
meltdown
nuclear moderation slowing down neutrons to hit atoms
Created by: hmayo
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