Lecture7 - Chem 1P Lecture 7: Ions and molecules No class...

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Chem 1P Lecture 7: Ions and molecules
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No class on Monday! We will resume on Wednesday October 13 Homework is due tomorrow @ 11 pm!
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Atoms and isotopes Chang Section 2.3 - 2.4 H - 1 proton, 1 electron He - 2 protons, 2 neutrons, 2 electrons Li - 3 protons, 4 neutrons, 3 electrons
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Atoms and isotopes Chang Section 2.3 How many protons, neutrons and electrons have the following atoms: 17 O 8 protons 17 - 8 = 9 neutrons 8 electrons 39 K 19 protons 39 - 19 = 20 neutrons 19 electrons 37 Cl 17 protons 37 - 17 = 20 neutrons 17 electrons
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Ions Chang Section 2.5 e - + X(g) X + (g) + e - cations X(g) + e - X - (g) e - - anions
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! Elemental ions Chang Section 2.5 Na sodium Na+ sodium ion K potassium K+ potassium ion element Ion Ca calcium Ca 2+ calcium ion Ba barium Ba 2+ barium ion Cl chlorine Cl - chlorine ion I iodine l - iodine ion O oxygen O 2- oxygen ion N nitrogen N 3- nitrogen ion
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Common names for elemental ions Chang Section 2.7 C carbide C 4- Si silicide
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This note was uploaded on 11/23/2010 for the course CHEM Chem 1P taught by Professor Ericpotma during the Winter '10 term at UC Irvine.

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Lecture7 - Chem 1P Lecture 7: Ions and molecules No class...

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