Chemistry

Chemistry - Nuclear Chemical Physical Reaction Types...

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Unformatted text preview: Nuclear Chemical Physical Reaction Types Protons & Neutrons change Bonds made/ broken Electrons exchanged No change in atoms phase change Density Substances can be identified by their properties. Chemical Reaction Types Bonds are made / broken Change in oxidation states P +1 P +1 2 1 Li +1 Chemical Bonds Strong <----------------> Weak Cation an ion with a positive charge. Anion an ion with a Negative charge. A I O N +- Li F Ionic bond 2 1 2 1 Li F Ionic bond 2 1 2 1 Li +1 F-1 Ionic bond 2 1 2 1 The attraction between a cation and an anion. Cations H + Hydrogen Hydrogen Na Na + Sodium Sodium Mg Mg +2 +2 Magnesium Magnesium Ca Ca +2 +2 Calcium Calcium Ag Ag +1 +1 Silver Silver Fe Fe +2 +2 Iron (II) Ferr Iron (II) Ferr ous ous Fe Fe +3 +3 Iron (III) Ferr Iron (III) Ferr ic ic Cu Cu +1 +1 Copper (I) Cupr Copper (I) Cupr ous ous Cu Cu +2 +2 Copper (II) Cupr Copper (II) Cupr ic ic NH NH 4 + Ammonium Ammonium mo Cations F-1-1 Fluoride Fluoride Cl Cl-1-1 Chloride Chloride Br Br-1-1 Bromide Bromide I-1-1 Iodide Iodide Anions The Halogens PO PO 4-3-3 Phosphate Phosphate SiO SiO 4-2-2 Silicate Silicate SO SO 4-2-2 Sulfate Sulfate MoO MoO 4-3-3 Molybdate Molybdate B 4 O 7-2-2 Borate Borate Anions OH OH-1-1 Hydroxide Hydroxide NO NO 2-1-1 Nitrite Nitrite NO NO 3-1-1 Nitrate Nitrate SALT- a Cation and an Anion held together by an ionic bond. An engineer searching for a material to develop a new kind of indestructible eyeglass frame would desire what characteristics? High hardness, high elasticity, high brittleness. Low elasticity, high brittleness. Low brittleness, high hardness, high elasticity. High brittleness, low hardness, low elasticity. None of the above Ice cubes float in a glass of water because: a.the ice is losing mass through the melting process. b.the colder ice is more dense. c.liquid water is less dense than ice cubes. d.the molecules of ice are arranged in an orderly way so that there is an unusually large amount of empty space in the ice cubes. e.None of the above A hot air balloon rises because molecules become lighter when heated. molecules move faster and farther apart when heated. molecules are less attracted by gravity when heated. molecules become charged and repel each other when heated. The solid, liquid, and gaseous states of water differ from each other in the mass of the individual atoms. the size of the individual atoms. the net electrical charge of the individual molecules. the average speed of movement of the individual molecules. The molecules in a test tube filled with cold water move more slowly than the molecules in a large tank of warm water. What is responsible for this difference in molecule speed?...
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This note was uploaded on 11/09/2011 for the course CHEM 201 taught by Professor Peterson during the Fall '11 term at BYU.

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Chemistry - Nuclear Chemical Physical Reaction Types...

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