CHEM151Chapter 2 Cont.

Chemistry (MasteringChemistry Series)

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9/9/2008 1 Bonding, Phases ` Classify the following types of bonds as covalent or ionic: ` NO 2 ` CaO ` KBr ` CO 2 ` KrF 2 ` CuCl 2 ` Which side of the periodic table gains electrons? Loses electrons? Metals tend to lose electrons, have a positive charge (cation) Nonmetals tend to gain electrons, have a negative charge (anion charge (anion) ` Na Æ Na 1+ ` Cl Æ Cl 1- ` Mg Æ Mg 2+ ` S Æ S 2-
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9/9/2008 2 NaCl 4 CH 4 ` Classify the following types of bonds as covalent or ionic: ` NO 2 ` CaO ` KBr ` CO 2 ` KrF 2 ` CuCl 2 ` How are these ions bonded? ` Why isn’t the structure Ca – F – F ?
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9/9/2008 3 ` Figure 2.7 ` Why do we have different types of models? 8 ` See models in Rasmol.
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Unformatted text preview: CH 4 NH 3 CCl 4 CO 2 ` How are the atoms connected? H 2 O 2 H 2 SO 4 9 9/9/2008 4 ` Solid – does not conform to the container, has a surface ` Liquid – conforms to the container, forms a surface Gas conforms to the container does NOT ` Gas – conforms to the container, does NOT form a surface ` Pick something in this classroom. Classify it as: ◦ Solid, liquid, or gas ◦ Pure substance or mixture (homogeneous or heterogeneous) ◦ Element or compound 11...
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CHEM151Chapter 2 Cont. - CH 4 NH 3 CCl 4 CO 2 ` How are the...

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