3rd quarter - 9 weeks test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Unit cell | the smallest group of particles within a crystal that retains a geometric shape of the crystal
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| Crystal | a substance in which atoms ions, or molecules are arranged in an orderly repeating 3 dimensional pattern called a crystal lattice
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| Allotropes | one of two or more different molecular forms of an element in the same physical state;oxygen (O2) and ozone (O3) are allotropes of the element oxygen
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| Amorphus solid | a term used to describe a solid that lacks an ordered internal structure; denotes a random arrangement of atoms
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| Boyles Law | the volume of gas varies inversely with pressure P1V1=P2V2
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| Charles Law | volume of a fixed mass of gas is directly proportional to its Kelvin temperature if the pressure is kept constant. V1 V2/T1 T2
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| Dalton’s Law | total pressure of a mixture of gases is the sum of the partial pressures of all the gases is the sum of the partial pressures of al the gases present PT=P1+P2+P3+…
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| Graham’s Law | rate of effusion of a gas is inversely proportional to the square root of its molar mass
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| Gay-Lussac’s Law | the pressure and Kelvin temperature of a gas are directly proportional at constant volume P1/T1=P2T2
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| Atomic Orbitals | a region in space around the nucleus of an atom where there is a high probability of finding an electron
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| Aufban Principle | electrons enter orbitals of lowest energy first
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| Hund’s rule | when electrons occupy orbitals of equal energy, one electron enters each orbial until all orbitals contain one electron with their spins parallel
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| Ground state | the lowest energy level occupied by an electron when an atom is in its most stable energy state
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| Atomic emission spectrum | the pattern of frequencies obtained by passing light emitted by atoms of an element in the gaseous state through a prism; the emission spectrum of each element is unique to that element.
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| Frequency | the number of wave cycles that pass a given point per unit of time; there is an inverse relationship between the frequency and wavelength of a wave.
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| Wavelengths | a distance between two adjacent crests of a wave
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| Photons | a quantum of light; a discrete bundle of electromagnetic energy that behaves as a particle
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| Quantum | the amount of energy needed to move an electron from its present energy level to the next higher one
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| Kinetic theory | a theory explaining the states of matter, based on the concept that the particles in all forms of matter are in constant motion
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| All 4 quantum | (blank)
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| PV=nRT | (blank)
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| Electron configuration | the arrangement of electrons around the nucleus of an atom in its ground state
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| Combined gas laws | a relationship describing the behavior of gases that combines boyle’s law, charles law, and gay lussac’s law
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| q=Cm delta T | (blank)
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| molar heat of fusion | delta fusion=number of mols. Delta H/
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| Delta H | (blank)
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Created by:
creech5
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