Compounds Quiz 2

Compounds Quiz 2 - Metals combined with nonmetals (2pts) 4....

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CHEM 120 Chapter 4 Compounds and Their Bonds Practice Quiz 2 Name _____________________________________ (2pts) 1. How does the octet rule explain the formation of Cl - ion? Cl belongs to group VII A which means it has 7 valence electons and need 1 more electron to be stable. Cl picks up and extra electron and becomes Cl - with 8 electrons (1pt) 2. Write the symbol for the ion formed by calcium. Ca 2+ (2pts) 3. Which two types of elements in the periodic table are likely to form an ionic compound?
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Unformatted text preview: Metals combined with nonmetals (2pts) 4. Write the correct names for the following compounds: a) Mg 3 N 2 magnesium nitride b) N 2 O 3 dinitrogen trioxide c) CuO copper (II) oxide d) CCl 4 carbon tetrachloride (2pts) 5. Classify each of the following compounds as ionic or covalent. a) Al 2 (CO 3 ) 3 aluminum carbonate b) SO 2 sulfur dioxide c) Br 2 molecular bromine d) FeCl 3 iron (III) chloride ( 1pt) 6. Define electronegativity. Ability of an atom to attract electrons to itself...
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This test prep was uploaded on 04/10/2008 for the course CHEM 231 taught by Professor Hanover during the Spring '08 term at Lansing.

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