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49 Cards in this Set
- Front
- Back
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The Lewis structure for Ammonium
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Single Displacement
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Around the nucleus; have a negative charge
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Electrons
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In the nucleus; positive charge
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Protons
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In the nucleus; neutral charge
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Neutrons
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Phosphorus pentachloride
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Chemical bonds can be classified as 100% ionic, covalent, or metallic
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False
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The type of formula that is the simplest ratio in compound formula unit
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Empirical Formula
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A Molecule like methane with four bonding pairs of electrons has what kind of geometry
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Tetrahedral
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Intermolecular force responsible for the unexpected high boiling point of water
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Hydrogen Bond
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Very hard substances such as diamond, silicon carbide, quartz
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Network Covalent
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The body temperature of a human averages 98.6 degrees Fahrenheit, what temperature is this in Celsius to the third sig fig
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Of these-Sulfur, Calcium, Chlorine, Cesium- which one has the greatest electronegativity
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Chlorine
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Outermost electrons in an atom that are involved in chemical bonding
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Valence
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Magnesium, Calcium, Barium
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Alkaline Earth Metals
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Boron, Silicon, Germanium
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Metalloids
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Fluorine,Bromine , Iodine
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Halogens
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States that light consists as bundles or packets of energy
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Quantum theory of light
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Individual packets of light
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Photons
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The mass of a substance per unit of volume
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Density
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water having two bonding pairs and two non-bonding pairs
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Angular
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A molecule described as a dipole is characterized by
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Negative and positive ends
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Gas that adheres directly to the gas laws
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Ideal gas
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Bonding situation in which a Lewis structure cannot accurately represent the arrangement of valence electrons
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Resonance
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Not true about exothermic
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Heat energy is absorbed
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The volume of three moles of an ideal gas under stp would be
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The amount of heat required to raise the temperature of one gram of a substance by one degree Celsius
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Absolute zero in Celsius
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The speed of light in a vacuum
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Covalent bond in which the bonding electron pair is pulled closer to the more electronegative element
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Polar covalent
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The second law of thermodynamics
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The entropy of the universe always increases
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Transfer of electrons from one atom to another
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Ionic
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Produces solids that are malleable and ductile
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Metallic
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Atoms of the same element can differ in...
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The number of neutrons they have
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The simplest repeating unit in a crystal
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The simplest repeating unit in a crystal
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Solid whose particles are characterized by regular repeating thee dimensional pattern
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Crystalline solid
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The bright colored lines in hydrogen
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Electrons dropping from higher to lower
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Kinetic energy is associated with an objects..
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Motion
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Two polar bonds that point symmetrically in opposite directions
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Non-polar
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Characterized by the sharing of valence electrons forming a "sea"
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Metallic
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Ionic
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Covalent
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Bonding characterized by the sharing of one or more electron pair between two atoms
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Covalent bond
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Type of chemical bond between metal and non-metal atoms
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Ionic bond
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States that position and momentum of particles cannot be precisely measured
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Uncertainty principle
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Amount of heat required to melt once gram of a substance at it's melting point
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How many mm are in 2.54cm
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25.4 mm
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Absolute zero in Kelvins
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0 Kelvins
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Three ways in which compounds differ from mixtures
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1)compounds are chemically combined and mixtures are physically combined;2) compounds are pure substances and mixtures are not;3) compounds can only be separated by chemical means and mixtures can be separated by physical processes
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