week3 - Chemistry 1P Discussion Week 3: Atoms, Ions, and...

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Chemistry 1P Discussion Week 3: Atoms, Ions, and Molecules 1) For each atom or ion given below, give the number of protons, neutrons, and electrons (hint: use the periodic table). a) 17 39 Cl b) 74 186 W c) 16 33 S 2 d) 56 130 Ba 2 + e) A bromine-80 ion: f) An aluminum-27 ion: 2) a) What is the formula for the ionic compound formed from Al 3+ and F - ions? What is this compound called? b) What is the formula for the ionic compound formed from ammonium and iodide ions? What is this compound called? c) What is the formula for the ionic compound formed by calcium ions and phosphate ions? What is this compound called? d) What is the formula for the ionic compound formed by Fe 2+ and O 2- ions? What is this compound called?
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Chemistry 1P Discussion Week 3: Atoms, Ions, and Molecules 3) The element silicon has three naturally occurring isotopes: 28 Si, 29 Si, and 30 Si. a) Find the number of protons, neutrons, and electrons in each isotope. b)
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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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week3 - Chemistry 1P Discussion Week 3: Atoms, Ions, and...

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