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CHEM 151 disc 9 nomen covalent D2L

CHEM 151 disc 9 nomen covalent D2L - Meeting 9 Welcome to...

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1 Welcome to your Welcome to your Chem 151 Chem 151 Discussion. Discussion. Where chemistry comes to you! Where chemistry comes to you! Meeting 9
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2 Today’s Agenda “Discover” simple Nomenclature Participation exercise Try practice exam questions
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Join your team Try to have at least one laptop per group…
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The language of Chemistry הד ז ДЕЖЗ αβγδ Ə NaCl sodium chloride NOMENCLATURE
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Every Chemical MUST have a name that is 1) Unambiguous 2) Minimum number of characters in a Systematic name Do you know why? NOMENCLATURE
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C 12 H 15 NO 2 N,N,2-trimethyl-1,3-benzodioxole-5-ethanamine MDMA Ecstasy How should we name this compound? 3,4 methylenedioxymethamphetamine
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Let’s look for a trend or system in naming simple compounds that are gases or liquids at room temperature. In the following slide, say the formula and name of each compound out loud… LISTEN to the names. Connect with both vision and sound. CO 2 = “See Oh two”
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Formula Name HBr hydrogen bromide HCl hydrogen chloride HI hydrogen iodide CO carbon monoxide CO 2 carbon dioxide CBr 4 carbon tetrabromide
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N 2 O dinitrogen monoxide N 2 O 4 dinitrogen tetroxide N 2 O 5 dinitrogen pentoxide PCl 3 phosphorus trichloride PCl 5 phosphorus pentachloride SF 6 sulfur hexafluoride Formula Name
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These compounds are called “BINARY” How many different elements are in binary compounds? Locate all the elements in these compounds on the periodic table. HBr HCl HI H 2 S CO CO 2 CBr 4 N 2 O N 2 O 4 N 2 O 5 PCl 3 PCl 5 SF 6
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They are composed of NON-METALS and said to be COVALENT or MOLECULAR COMPOUNDS Non-Metals HBr HCl HI H 2 S CO CO 2 CBr 4 N 2 O N 2 O 4 N 2 O 5 PCl 3 PCl 5 SF 6
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What are the rules for naming these covalent compounds?
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