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Chapter 2: Atoms, Ions, and Molecules . Outline. 2.1: Atoms/Atomic Theory 2.4: Molecules/Ions. 2.2: Components of Atom 2.5: Ionic Compounds
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Chapter 2: Atoms, Molecules, and Ions . Renee Y. Becker. Valencia Community College. CHM 1045 . 1
1 . Ions . Ions: A charged particle formed when a neutral atom or group of atoms gain or lose one or more electrons. Example. Na Na + + e-F + e- F-
ch3_ions_formulae.ppt - Search
Atomic Theory . In 1808 John Dalton proposed atomic theory. Dalton’s theory explained several laws known at the time. Law of conservation of matter
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Right now our picture of the atom: protons (+1) and neutrons (()) in nucleus and electrons (-1) in region outside the nucleus. Electrons are involved in ...
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periodic
Polyatomic Ions . A polyatomic ion is an electrically charged group of two or more chemically bonded atoms that functions as a single ion.
History of Chemistry . Greek Philosophers: 5th Century BCE (BCE = before the common era - replaces BC) The Greek philosophers were the first to reflect on the ...
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Unit 1: Atoms, Molecules, and Ions . Advanced Chemistry 30SE. M. Patenaude. GPHS Science Dept
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unit
2 . John Dalton ( early 1800s): Each element is composed of atoms; All atoms of an element are identical. In chemical reactions, the atoms are not ...
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Common Polyatomic Ions . Ion . Name . Ion . Name . NH 4 + ammonium . nitrite . nitrate . phosphate . hydrogen phosphate . dihydrogen phosphate . carbonate . hydrogen ...
Separation of Metal Ions by Sulfide Precipitation . Many metal sulfides are insoluble in water but dissolve in acidic solution. Qualitative analysis uses this ...
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solubility
Molecules, Ions, and Their Compounds . Goals: Know formulas for ionic and molecular compounds. Name compounds. Understand some properties of ionic compounds.
Flame Tests for Ions . Flame Tests Using an Improvised Alcohol Burner
Assumptions Thus Far . Equilibrium Constants; Assumes Naked Ions; Assumes that the Ionic Strength is controlled by the ions of interest ONLY being in solution
Chapter 2: Molecules, Ions, and Compounds . MACROSCOPIC SCALE. Elements combine to make compounds. ATOMIC SCALE. Atoms combine to make molecules, or extended structures.
LecturePLUS Timberlake . 1 . Chapter 4 Compounds and Their Bonds . 4.1 Valence Electrons . 4.2 Octet Rule and Ions
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compounds
When you write an ionic equation, strong acids and bases are represented as separate ions. Weak acids and bases are represented as undissociated “molecules ...
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chemical
Will silver ions, Ag +, oxidize metallic zinc to Zn 2+ ions, or will Zn 2+ ions oxidize metallic Ag to Ag + ions? Steps for obtaining the equation for the spontaneous ...
Chem 102 week 7.ppt - Search
Naming Ions- Review . Monatomic ions- ions with just one atom; Cations- positive ions- named using the element name; Anions- negative ions- named using the ...
Atoms, Molecules, and Ions . 2.1 Atomic Theory. 2.2 The Structure of the Atom. 2.3 Nuclear Structure; Isotopes. 2.4 Atomic Weights. 2.5 Periodic Table
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