Covalent Compound Naming

Covalent Compound Naming - back to see if your suppose to...

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Tuesday Jan. 22 nd Additional Notes (Be sure to also look at Dr. Walker’s PowerPoint) Covalent Compounds Composed of nonmetals bonded together Named like ionic compounds except for prefixes When using the prefixes leave off the end of the prefixes that end in “a” and “o” such as mono or penta if they are placed in front of an element whose name begins with a vowel (oxygen or iodine) Examples: IF 5 iodine pentafluoride N 2 O 5 dinitrogen pentoxide CO mono carbon monoxide Don’t write the 1 st word or name with the mono- prefix Scientists have common names for some compounds (just like some friend groups have their own slang language) H 2 O water H 2 O 2 peroxide NH 3 Ammonia Exceptions: Hydrogen and halogen family atoms form one covalent bond therefore since scientists know this they leave off the prefixes (I will need to talk to Dr. Walker when she gets
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Unformatted text preview: back to see if your suppose to follow this common name ruling) Examples: HF hydrogen fluoride HCl hydrogen chloride HBr hydrogen bromide HI hydrogen iodide H 2 S hydrogen sulfide Special Notes: Mono prefix is used for oxygen for instance because it needs two covalent bonds to be stable (we’ll be discussing this more in chapter 2) In your book Pg. 31, “Your Turn” 1.18 and 1.19 do not follow these rules because they are ionic compounds (metal and nonmetal). Ionic compounds do not use prefixes. However if you do “Your Turn” 1.21 and 1.22 these do follow the rules above because they are covalent compounds. On your practice table (pg. 31 Notes Packet) I 3 should be named triiodide (polyatomic anion)...
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