Ch4 Worksheet key

Ch4 Worksheet key - Name: _________, _________ Last, first...

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CH101/Ison Ch 4 Worksheet Name: _________, _________ Last, first Practice: Write the electron configurations of the following ions; S 2- [Ne]3s 2 3p 6 or [Ar] V 3+ [Ar]3d 2 Ni 2+ [Ar]3d 8 Mo 5+ [Kr]4d 1 Pb 2+ [Xe]6s 2 4f 14 5d 10 Cl 1- [Ne]3s 2 3p 6 or [Ar] Mn 4+ [Ar]3d 3 Ag 1+ [Kr]4d 10 What do you notice about the highest energy level of the anions? Anions add enough electrons to fill the outer energy level and obtain noble gas configuration (Cl 1- , S 2- ) Practice: Determine the oxidation states of the underlined atoms. 1. CaH 2 1- 6. Fe 2 O 3 3+ 2. P 4 0 7. KCl O 4 7+ 3. Cr 2 O 7 2- 6+ 8. Al 2 O 3 3+ 4. NaMn O 4 7+ 9. H 2 O 2 1- 5. I F 3 3+ 10. Pb O 2 4+ What is the total charge of an ionic compound? The total charge is zero. Practice: ammonium – NH 4 1+ hydroxide - OH 1- carbonate – CO 3 2- phosphate – PO 4 3- nitrate – NO 3 1- nitrite – NO 2 1-
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CH101/Ison Ch 4 Worksheet
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Unformatted text preview: Name: _________, _________ Last, first sulfate-SO 4 2-sulfite-SO 3 2-permanganate-MnO 4 1-perchlorate-ClO 4 1-chlorate ClO 3 1-chlorite ClO 2 1-hypochlorite ClO 1-K 2 S potassium sulfide NiCl 2 nickel (II) chloride Fe 2 O 3 iron (III) oxide Na 2 CO 3 sodium carbonate CaSO 4 calcium sulfate ZnCl 2 zinc chloride Practice: Fe 3+ & O Fe 2 O 3 Be & OH 1- Be(OH) 2 Na & H - NaH NH 4 1+ & CO 3 2-- (NH 4 ) 2 CO 3 Ca & F - CaF 2 Co 3+ & Cl CoCl 3 aluminum sulfide Al 2 S 3 strontium fluoride SrF 2 titanium (IV) oxide TiO 2 calcium hydroxide Ca(OH) 2 sodium perchlorate NaClO 4 ammonium chloride NH 4 Cl Practice problems: 3, 9, 11, 15, 19, 25, 29...
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This note was uploaded on 09/17/2009 for the course CH 101 taught by Professor Bigham during the Spring '08 term at N.C. State.

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Ch4 Worksheet key - Name: _________, _________ Last, first...

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