'S2 sulfide se2 selenide' presentation slideshows

Chemistry

Chemistry. Sections 5.1, 5.2, 5.5, 5.6, 5.7, 5.8, 5.9, 5.11, 5.12, 5.13, 6.5, 6.6, 6.7, 6.19, 7.1, 7.2, 7.3, 7.5, . An introduction to chemistry. Chemistry can be defined as the study of chemicals and their reactions.

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Today is Friday (!), March 14 th , 2014

In This Lesson: Unit 3 Ionic Nomenclature and Polyatomic Ions (Lesson 1 of 4). Stuff You Need : Periodic Table Paper Towel. Today is Friday (!), March 14 th , 2014. Pre-Class: Can you name these compounds? H 2 O CO 2 NaCl HCl

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Atoms, Molecules, and Ions

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Molecules and Ions

Molecules and Ions. Image courtesy of www.lab-initio.com. Molecules. Two or more atoms of the same or different elements, covalently bonded together. Molecules are discrete structures, and their formulas represent each atom present in the molecule. Pentane, C 5 H 12.

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Ionic Compound Formulas

Ionic Compound Formulas. www.lab-initio.com. Ions. Cation : A positive ion Mg 2+ , NH 4 + Anion: A negative ion Cl - , SO 4 2 -. Predicting Ionic Charges. Group 1 :. Lose 1 electron to form 1+ ions. H +. Li +. Na +. K +. Predicting Ionic Charges. Group 2 :.

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