Polyatomic Ions
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Chemistry
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Book page:
http://course-notes.org/Chemistry
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Naming and Writing Ionic Formulas
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Noble Gases
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The noble gases consist of the elements:
Neon
Xenon
Argon
Helium
Krypton
Radon
Nitrogen
Hydrogen
Oxygen
Decomposition of Sodium Bicarbonate Lab
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Name_________________ Lab Group_______________________ Period__________________ Date___________________________ Lab Design Template Title Give your lab a title that describes the problem you are solving Decompos ition of Sodium Bicarbonate Lab Independent Variable Temperature Heat Dependent Variable Chemical reaction Control Group Sodium Bicarbonate Heat Amount of sodium bicarbonate Constants Purpose: (Write in your own words. Explain the reasons why you are doing the lab. May be written as a hypothesis)
Chemistry in a Bag
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Name_________________ Lab Group_______________________ Period__________________ Date___________________________ Lab Design Template Title Give your lab a title that describes the problem you are solving Chemistry in a Bag Independent Variable N/A Dependent Variable N/A Control Group N/A N/A Constants Purpose: (Write in your own words. Explain the reasons why you are doing the lab. May be written as a hypothesis) The purpose of this lab is to examine the reaction between calcium chloride and baking soda. I predict that if the two mix
Chemical foundation
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According to Rutheford, the nucleus of an atom has a positive charge and contains most of the mass of the atom.
Redox Reactions Hints
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Redox Reaction Prediction Important Oxidizers Formed in reaction MnO4- (acid solution) Mn(II) MnO4- (basic solution) MnO2 MnO2 (acid solution) Mn(II) Cr2O7-2 (acid) Cr(III) CrO4-2 Cr(III) HNO3, conc NO2 HNO3, dilute NO H2SO4, hot conc SO2 Metallic Ions Metallous Ions Free Halogens Halide ions HClO4 Cl- Na2O2 OH- H2O2 O2 Important Reducers Formed in Reaction Halide Ions Halogens Free Metals Metal Ions Metalous Ions Metallic ions Nitrite Ions Nitrate Ions Sulfite Ions SO42- Free Halogens (dil, basic sol) Hypohalite ions Free Halogens (conc, basic sol) Halate ions C2O42- CO2
Chemistry Redox Equations
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Reduction-oxidation (redox) reactions are very important types of reactions in chemistry, whether involving inorganic, organic, or biochemical species. In a redox reaction, electrons are transferred from one atom to another. The species that is reduced gains electrons and the species that is oxidized loses electrons. The reducing agent is the species that causes reduction and is itself oxidized. The oxidizing agent is the species that causes oxidation and is itself reduced.
Significant Figures and Measurement
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The number of significant figures, and thus the precision, of a measurement is determined by the way the measurement is taken. In general, measurements should be reported to one power of ten smaller than the smallest markings on the measuring device. This is done by estimating the last place. For example, when reading a graduated cylinder marked every mL, the position of the meniscus should be estimated to a tenth of a mL. If the meniscus appears to be halfway between the 34 mL and 35 mL markings, then the measurement should be reported as 34.5 mL. All three of these digits are considered to be significant. If however, the measurement is reported as 35 mL, this number has only two sig figs and is less precise.?
AP Chemistry Vocab
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