Neptune discovered using math! (1846) Reading: Re-Read Chapter 5, sections 8, 9, 10 Mastering Chemistry #4 – due Tomorrow Chapter 5 #’s 16,32,36,38,42,44,46, 49-66ALL about 2 hours 15 minutes Check out page 144!! Website!!!

Summary of Ionic Nomenclature Rules Name to formula: Write the symbol for each ion Use the LCM of the charges to find the number of each ion needed Write the formula no charges should be written in the final formula use parenthesis if and only if you need more than 1 polyatomic Formula to name Write the name of the cation first, then the name of the anion if and only if cation is VOS, include roman numeral for charge

Did you get it? Name or give the formula for the following: 1) Na2Se 2) lithium nitride 3) SrI2 4) barium sulfide 5) KCl 6) aluminum oxide 1) sodium selenide 2) Li3N 3) strontium iodide 4) BaS 5) potassium chloride 6) Al2O3

More practice on naming: 1) cadmium chloride 2) titanium (IV) nitride 3) calcium bromide 4) copper (II) hydride 5) antimony (V) oxide 6) PbS2 7) AgF 8) AlN 9) Au2Se 10) NiBr2 1) CdCl2 2) Ti3N4 3) CaBr2 4) CuH2 5) Sb2O5 6) lead (IV) sulfide 7) silver fluoride 8) aluminum nitride 9) gold (I) selenide 10) nickel (II) bromide

mercury (I) phosphate (Hg2)3(PO4)2 Ag2CO3 silver carbonate (NH4)3AsO4 ammonium arsenate tin (IV) oxalate Sn(C2O4)2 iron (II) hydroxide Fe(OH)2 Co2(SO3)3 cobalt (III) sulfite Mn(CrO4)2 manganese (IV) chromate