Happy Birthday to The Hobbit (1937)

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Presentation transcript:

Happy Birthday to The Hobbit (1937) Reading: Re-Read Chapter 5, sections 8, 9, 10 Mastering Chemistry #4 – due Thursday Chapter 5 #’s 16,32,36,38,42,44,46, 49-66ALL about 2 hours 15 minutes

Nomenclature (the words) Practice: State whether these are ionic, molecular, or an acid HC7H6O3(aq) Zn3P2 (NH4)2Se(aq) CCl4 acid ionic ionic molecular HBr(aq) CH2I2 H2CrO4(aq) SrO acid molecular acid ionic

Nomenclature (the words)

Ionic Nomenclature (the words) name to formula Step 1: write the symbol for each ion Step 2: find the least common multiple of the charges Step 3: figure out how many of each ion you need Step 4: write the formula Note: if you need more than one polyatomic ion, you MUST use parenthesis around it!!!

Ionic Nomenclature (the words) formula to name non-VOS cation (type I) VOS metal (type II) 1) Write the name of the cation 1) Write the name of the cation 1a) Figure out the roman numeral!

Ionic Nomenclature (the words) formula to name Fe2O3 iron (III) oxide O2- O2- O2- O2- = -6 Fe Fe+3 Fe+3 Fe = +6

Ionic Nomenclature (the words) formula to name Bi3N5 bismuth (V) nitride N3- N3- N3- N3- N3- N3- = -15 Bi Bi+5 Bi+5 Bi Bi+5 Bi = +15

Ionic Nomenclature (the words) formula to name NiTeO4 nickel (II) tellurate TeO42- TeO42- = -2 Ni Ni+2 = +2

Ionic Nomenclature (the words) formula to name non-VOS cation (type I) VOS metal (type II) 1) Write the name of the cation 1) Write the name of the cation 1a) Figure out the roman numeral! 2) Write the name of the anion 2) Write the name of the anion 3) The End 3) The End