,,,brl au?or;y ( nor? am]ica,'   #a

          ,provi.nal ,guid.e =
            ,*emi/ry ,nota;n
      ,us+ ,neme? 9 ,,ueb ,3texts

          ,approv$ ,m>* #bjag

  ,^! guidel9es >e to 2 appli$ 9 addi;n
to ^? pres5t$ 9 ! mo/ rec5t $i;n (
.7,guid.e = ,transcrip;n ,us+ ! ,neme?
,code )9 ,,ueb ,3text4.'

               ,backgr.d

  ,! .7,brl ,code = ,*emical ,nota;n.'
is bas$ on .7,! ,neme? ,brl ,code =
,ma!matics & ,sci5tific ,nota;n4.'
,specific provi.ns = us+ brl symbols = !
3/ruc;n ( *emical nota;n s* z bonds1
electron dots1 r+ /ructures1 & >r[s1 >e
\tl9$ 9 ! .7,brl ,code = ,*emical
,nota;n4.' ,if tactile illu/ra;ns >e
us$1 .7,guidel9es & ,/&>ds = ,tactile
,graphics.' m/ 2 foll[$ 9 prep>+ !    #a
tactile graphics4 ,:5 transcrib+     a#a
*emi/ry1 biology1 & physics texts1 to
assure prop] =ma;n ( *emical symbols &
/ructures1 ref] to ! mo/ rec5t $i;n ( !
codes & guidel9es z well z any ,,bana
8,guid.e0 docu;ta;n reg>d+ _! use 9
3junc;n ) ,,ueb4

             ,front ,matt]

  ,:5 ! rules ( ! ,*emi/ry ,code >e us$1
! s\rcebook m/ 2 cit$ on ! ,transcrib]'s
,notes page4 ,*emi/ry ,code symbols us$
9 ! volume m/ appe> on ! ,special
,symbols page4 ,place ! symbols "u !
subh1d+ 8,*emi/ry ,code ,symbols0 & li/
!m 9 brl ord] ac to ! rules ( ,,ueb4 ,a
descrip;n ( ,*emi/ry ,code =mats is n
requir$4





                                      #b
         ,use ( ! ,neme? ,code        #b
           ,swit* ,9dicators

  ,n>rative text %d 2 transcrib$ 9
,,ueb4 ,:5 x is det]m9$ t te*nical
nota;n %d 2 pres5t$ 9 ei ,neme? ,code or
! ,neme?-bas$ ,*emi/ry ,code1 a swit* is
requir$4 ,neme? ,code swit* 9dicators >e
us$4 ,see .7,guid.e = ,transcrip;n ,us+
! ,neme? ,code )9 ,,ueb ,3text.' =
guid.e on :5 to swit* & = usage & spac+
( ! 9dicators4

.=_% ,op5+ ,neme? ,code ,9dicator
  "<foll[$ by a space">
.=_: ,neme? ,code ,t]m9ator "<prec$$ by
  a space">
.=,' ,s+le-^w ,swit* ,9dicator






                                      #c
         ,illu/rative ,examples      a#b

    ,example #a ,:5 ,neme? ,code is to 2
    us$ = sci;e1 ,,symbols = *emical
    ele;ts z def9$ 9 ,sec;n #c4e ( !
    ,*emi/ry ,code require a code swit*4
  ,! symbol = c>bon is _% ;,c _:2 =
silv]1 _% ,ag _:2 & = brom9e1 _% ,br _:4

    ,example #b ,*emical =mulae require
    a code swit*4
_% ,s,o3(g)+,h2,o(l) $o ,h2,s,o4(aq) _:
--------------------------------------#c

    ,example #c ,9 n>rative 3text1
    *emical ^ws may 2 transcrib$ 9
    ,,ueb4
  ,,problem3 ,calculate ! mass p]c5t (
_% ,cl _: 9 ,freon #aab
_% (,c2,cl4,f2) _:4
  ,y >e giv5 ! molecul> =mula ( ,freon
#aab & ask$ to f9d ! mass p]c5t (
_% ,cl _:4

                                      #d
    ,example #d ,symbols ( !         a#c
    ,*emi/ry ,code s* z ! *emi/ry bond
    symbol 9 ? example m/ 2 li/$ on !
    ,special ,symbols page4
  ,! /ructural =mula = hydrog5 p]oxide
is _% ,h_3],o_3],o_3],h _:4

    ,example #e ,*emi/ry ,code =mat is
    foll[$ reg>d+ use ( l9e> frac;ns :5
    l t]ms >e c.ell$1 & reg>d+ ! special
    m>g9 require;ts = l9k$ expres.ns4 ,!
    ,*emi/ry ,code is cit$ on !
    ,transcrib]'s ,notes page4 ,a
    descrip;n ( ! =mat is n requir$4
,f9ally1 we solve ! problem4 _%
  #0.58 [;g ,c]
      @*?1 mol ,c/12.01 [;g ,c]#
    .k #4.8@*10^-2 mol ;,c _:






                                      #e
         ,*emical ,a2revia;ns1        #d
          ,acronyms1 ,type=ms1
             & ,nom5clature

_4 ,reta9 type=m = *emical a2revia;ns1
  acronyms1 *emical gr\ps1 & 3c5tra;n (
  solu;ns z expla9$ 9 ,sec;n #i ( !
  ,*emi/ry ,code4
_4 ,:5 *emical a2revia;ns & acronyms
  appe> 9 n>rative 3text1 code swit*+ is
  unnec4 ,reta9 type=m z nec1 us+ ,,ueb
  capitaliza;n1 type=m 9dicators1
  punctua;n1 & spac+4
_4 ,:5 *emical a2revia;ns & acronyms
  appe> 9 te*nical 3text1 foll[ ,neme?
  ,code rules reg>d+ capitaliza;n1
  type=m 9dicators1 punctua;n1 & spac+4
  ,note t 3trac;ns >e n all[$ 9 te*nical
  3text4

    ,example #f ,,dna & ,,snp,-,no code
    swit*+ ne$$4
,v>ia;ns 9 ,,dna1 call$ s+le-nucleotide
polymorphisms or ,,snp,'s1 >e ( "picul>
9t]e/4                                #f
    ,example #g ,reta9 4t9ctive      a#d
    type=m = *emical a2revia;ns 9 ,,ueb
    3text4
  ,table #ah4a summ>izes ! .2;n-alkanes
"? decane1 : 3ta9s #aj c>bon atoms4

    ,example #h ,*emical ^w 9 te*nical
    3text4 "<molal;y1 moles solute1 kg
    solv5t">4 ,d n 3tract4 ,reta9
    4t9ctive type=m = *emical a2revia;ns
    "<.2;m">4
444 ": _% molality (.;m)
.k ?moles solute/kg solvent# _:4
--------------------------------------#e

           ,spatial ,diagrams
         ( ,molecul> ,/ructures

  ,9 spatial diagrams ( molecul>
/ructures1 tactile "<rais$ l9e">
repres5ta;n ( ! bonds & ! *emical >r[s
is pref]r$ ov] ! use ( brl dots4
.7,excep;n3 ,use brl symbols = electron
dot bonds z \tl9$ 9 ,sec;n #d4c ( !
,*emi/ry ,code4.'                     #g