Handout0907

Handout0907 - Haverford College, Chemistry 100 Handout on...

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Handout on Nomenclature (Sep. 7, 2007) p. 1 Announcement (make change in syllabus): Office hours on Friday have been cancelled. Additional office hours Tuesday 3:30-4:30. Focus 1 – naming monoatomic ions Figure 2.22 (Z&Z) shows charges of monoatomic ions frequently encountered in chemistry. Focus 2 – naming ionic compounds Name: Cation anion Cation: “Type I” metal (charge known) “Type II” metal (charge specified – (I), (II), (III), (IV) etc.) (or older notation: especially ferric (3+)/ferrous (2+) and cupric (2+)/cuprous (+) Molecular cations: Ammonium (NH 4 + ) Mercury(I) (Hg 2 2+ ) Anion: Non-metal element (use –ide suffix: ox ide , sulf ide , chlor ide ) Oxoanions ( -ate and –ite suffixes; see Focus Info. 3) Protonated oxoanions (acidic anions; see next page) Special cases (to memorize) Cyanide (CN ) Peroxide (O 2 2- ) Superoxide (O 2 - ) Acetate (CH 3 CO 2 ) Formulas: Ionic charges must neutralize Calcium chloride = [Ca 2+
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This note was uploaded on 04/07/2008 for the course CHEM 100 taught by Professor Scarrow during the Fall '07 term at Haverford.

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Handout0907 - Haverford College, Chemistry 100 Handout on...

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