ࡱ> [ xbjbj:E:E ĤX/\X/\x  4,'|U'W'W'W'W'W'W'$R),{'   {''ooo U'o U'oor&T'Pj;i&A''0'w&,k,',',0"o5{'{'Y'    , > N: First Semester Binary Formula Naming and Writing. The simplest compounds, binary compounds, contain just two elements. Some examples include: Sodium chloride, NaCl; Lithium oxide, Li2O In naming binary compounds, follow these rules: 1. Write the name of the metal element ( the positive charge) first. 2. To make the second word of the formula name change the ending of the non-metal elements name to -ide. For example bromine changes to bromide and phosphorus changes to phosphide. Metals have positive charges when combined with non-metals. The non-metals have negative charges when combined with metals. Practicing the naming of Binary Compounds: 1. MgO____________________________ 2. BaS_____________________________ 3. K3P_____________________________ 4. Na3N____________________________ 5. Ba3P2 ___________________________ 6. Ca3P2___________________________ 7. RaSe____________________________ Some TRANSITION metals have more than one positive ionic charge. Look at the correct formulas below: Cu2O---copper (I) oxide CuO---copper (II) oxide FeCl2---iron (II) chloride FeCl3--- iron (III) chloride Note that Roman numerals follow the names of some transiton metals ( positive elements). The numerals indicate the charge of the element in the compound. Practicing the naming Binary compounds that contain transition metal ions. Be sure to write the roman numeral after the metal name!! 8. SnCl4 ____________________________ 9. Mn2O3____________________________ 10. PbS ____________________________ 11. Bi2O5_____________________________ 12. FeP_______________________________ 13. Fe3P2_____________________________ Writing the formulas for Binary compounds. To write the formulas of ionic compounds follow these steps. 1. Write out ions with charges. 2. The number next to the charge symbol of the positive ion will be the subscript on the negative ion. (vice versa). For example: Ba+2 and N-3-------> Ba3N2 (called Barium nitride) Note a correct ionic formula will have no charge symbols. All numbers will be subscripted. The subscripts will also be written in lowest terms which is known as a formula unit. Practicing giving the name for the binary ionic compounds: 14. aluminum telluride ____________________ 15. iron (III) chloride___________________ 16.silver chloride______________________ Practicing giving the name or the correct formula for the binary ionic compounds: 17. CaH2_________________________ 18. Al2O3___________________________ 19. Mercury (II) oxide__________________ 20. Na3As__________________________ 21. iron(III) iodide _______________________ 22. Fe2S3_____________________________ 23. Cu2S________________________ 24. Cr3N2_________________________ 25. Mg3As2________________________ 26. Li2O__________________________ 27. potassium chloride___________________ 28. Cr4C3 _________________ 29. zinc sulfide_________________ 30. PbO2__________________________ 31. lead (IV) fluoride_____________________ PRE-AP Chemistry Formulas and Charges of Ions Metal ion charges and Transition Metals using Roman Numerals1+ 2+ 3+ 4+ 5+ Li+LithiumBe2+BerylliumAl3+AluminumNa+Sodium Mg2+MagnesiumGa3+Gallium (III)Ge4+Germanium (IV)Bi5+Bismuth (V)K+PotassiumCa2+CalciumSn4+Tin (IV)Rb+RubidiumSr2+StrontiumPb4+Lead (IV)Cs+CesiumBa2+BariumFr+FranciumRa2+RadiumCd2+CadmiumBi3+Bismuth (III)Cu+Copper (I)Cr2+Chromium (II)Cr3+Chromium (III)H+HydrogenCo2+Cobalt (II)Co3+Cobalt (III)Cu2+Copper (II)Fe3+Iron (III)Ag+SilverFe2+Iron (II)Mn3+Manganese (III)Pb2+Lead (II)Ni3+Nickel (III)Mn2+Manganese (II)Hg22+Mercury (I)Hg2+Mercury (II)Ni2+Nickel (II)Sn2+Tin (II)Zn2+Zinc NON METAL NAMES and Charges1- Group VII 2- Group VI 3- Group VA 4- Group IVA F-FluorideO2-OxideN3-NitrideC4-CarbideCl-ChlorideS2-SulfideP3-PhosphideBr-BromideSe2-SelenideAs3-ArsenideI-IodideTe-2TellurideAt-Astatide 245M]  3 4 5 6 X Y Z [   6 7 Q R u   [\]^ȻȴȪȴȪȻȻȻȻȻȻȪȻȻȻȥȻȻȻȻȻȻȻȠȠȻȻ h\WmH* h\Wm>*h\Wm56\] h\Wm6] h\WmH*h\Wm5>*\h\Wmh\WmOJQJ^Jh\WmCJOJQJ^Jh C5>*CJOJQJ^Jh\Wm5>*CJOJQJ^J>24 m n  - S w   2 M j k   ,TT|}~xy 56!Ow0MpVWXY~789;xy3=>RS]^`bjloy{}~ h\Wm6CJ h\WmCJH* h\Wm5 h\WmCJ h\Wm5CJ$ h\WmCJ h24CJh24 h\WmH*h\Wm h\Wm5\L234567nhhhh$If<kd=$$Ifl>8()O+U44 la$If<kd$$Ifl>8()O+U44 la $$Ifa$$If 789:;<=$If=>kdz$$Ifl >   "Q#)CaYG<O+((((44 la>ABEFIJMNQRSlkd5$$Iflr> !(S]2  O+44 la $$Ifa$ STUVWXYZ[\]$If ]^kd$$Ifl >a d ;!9$(vvO+((((44 la^bjoy~ $If]$If$If kdi$$Ifl >a d ;!9$(vvO+((((44 la$If    )-/0:<=?AHJLMTZ[]_hjlmtz{|   h\Wm5CJh\Wm5CJH* h\WmCJH* h\WmCJh\Wm h\Wm6CJUkd$$$Ifl >a d ;!9$(vvO+((((44 la    $If]$If  kd$$Ifl >a d ;!9$(vvO+((((44 la )*+0:;<$If <=kd$$Ifl >a d ;!9$(vvO+((((44 la=AHMTUVWXYZ$If Z[kdU$$Ifl >a d ;!9$(vvO+((((44 la[_hmtuvwxyz$If z{kd$$Ifl >a d ;!9$(vvO+((((44 la{|}~$If kd$$Ifl >a d ;!9$(vvO+((((44 la$If$If kd$$Ifl >a d ;!9$(vvO+((((44 la$If kdA$$Ifl >a d ;!9$(vvO+((((44 la $If  "#/134?CDFHOQST^`bcswx|~  #$(*+067A`ghkw h\Wm5 h\WmCJH* h\Wm6CJ h\WmCJH* h\Wm5CJh\Wm5CJH*h\Wm h\WmCJPkd$$Ifl >a d ;!9$(vvO+((((44 la#/4?@ABC$If CDkd $$Ifl >a d ;!9$(vvO+((((44 laDHOT^cstuvw$If$If wxkdr $$Ifl >a d ;!9$(vvO+((((44 laxyz$If kd- $$Ifl >a d ;!9$(vvO+((((44 la$If kd $$Ifl >a d ;!9$(vvO+((((44 la$If kd $$Ifl >a d ;!9$(vvO+((((44 la$If kd^ $$Ifl >a d ;!9$(vvO+((((44 la    $If  kd$$Ifl >a d ;!9$(vvO+((((44 la  !"#$If #$kd$$Ifl >a d ;!9$(vvO+((((44 la$%&+0123456$If 67kd$$Ifl >a d ;!9$(vvO+((((44 la789:;<=>?@A$If ABkdJ$$Ifl >a d ;!9$(vvO+((((44 laBC_`abcdefg$If<kd$$Ifl>(*O+44 la$If ghkwzQHBHHHH$If $$Ifa$kdB$$Ifl֞> ' Ke"Q#$ z O+<44 laXRRRR$Ifkd$$Ifl4ֈ> Z$h%8(`I ` ``bO+U44 laf4 $$Ifa$ w "$%.023<@ABCDKMOPZ`acdenvx h\WmPJ] h\Wm6CJ h\WmCJH* h\WmCJ h\Wm5PJh\Wm h\Wm5CJ h\Wm5F[kdp$$Ifl4ֈ> Z$h%8(I  bO+U44 laf4$If $Ifkd$$Ifl > \ !$.O+((((44 la$If$If kd$$Ifl > Z$h%8(H:3O+U((((44 la$If kd$$Ifl > Z$h%8(H:3O+U((((44 la %.3<=>?@$If @AkdD$$Ifl > Z$h%8(H:3O+U((((44 laADKPZ[\]^_`$5$7$8$9DH$If$If `akd$$Ifl > Z$h%8(H:3O+U((((44 laaenopqrstuv$5$7$8$9DH$If$If vwxkd$$Ifl > Z$h%8(H:3O+U((((44 la<P&P:p24/ =!"#$% DpC 0P&P:p24/ =!"#$% P Dp? 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