Vis kilden til Formelsamling/Kjemi 2KJ og 3KJ

==Periodesystemet==
For en utgave av periodesystemet med tillegg av grunnstoffnavn og atommasser i hver rute, se [[w:periodesystemet i stor utgave|periodesystemet i stor utgave]].

{| border="0" cellpadding="0" cellspacing="2" width="100%"
|+ '''Periodesystemet for [[w:grunnstoff|grunnstoffer]]'''
|-----
| align="center" bgcolor="#FFFFFF" width="8%" | <b>[[w:Periodesystemets grupper|Gruppe]]&nbsp;&rarr;</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>[[w:Alkalimetall|1]]</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>[[w:Jordalkalimetall|2]]</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>3</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>4</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>5</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>6</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>7</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>8</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>9</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>10</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>[[w:Myntmetall|11]]</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>12</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>13</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>14</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>15</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>[[w:Chalkogen|16]]</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>[[w:Halogen|17]]</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>[[w:Edelgass|18]]</b>
|-----
| align="center" bgcolor="#FFFFFF" width="8%" | <b>&darr;&nbsp;[[w:Periodesystemets perioder|Periode]]</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>I</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>II</b>
| colspan="10" width="50%" align="center" bgcolor="#FFFFFF" | 
| width="5%" align="center" bgcolor="#FFFFFF" | <b>III</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>IV</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>V</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>VI</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>VII</b>
| width="5%" align="center" bgcolor="#FFFFFF" | <b>VIII</b>
|-----
| align="center" bgcolor="#FFFFFF" width="8%" | <b>1</b>
| width="5%" align="center" bgcolor="#a0ffa0" | 1<br>
[[w:hydrogen|H]]
| colspan="16" width="80%" align="center" | 
| width="5%" align="center" bgcolor="#c0ffff" | 2<br>
[[w:helium|He]]
|-----
| align="center" bgcolor="#FFFFFF" width="8%" | <b>2</b>
| width="5%" align="center" bgcolor="#FF6666" | 3<br>
[[w:litium|Li]]
| width="5%" align="center" bgcolor="#FFDEAD" | 4<br>
[[w:beryllium|Be]]
| colspan="10" width="50%" align="center" | 
| width="5%" align="center" bgcolor="#cccc99" | 5<br>
[[w:Bor (grunnstoff)|B]]
| width="5%" align="center" bgcolor="#a0ffa0" | 6<br>
[[w:Karbon (grunnstoff)|C]]
| width="5%" align="center" bgcolor="#a0ffa0" | 7<br>
[[w:nitrogen|N]]
| width="5%" align="center" bgcolor="#a0ffa0" | 8<br>
[[w:oksygen|O]]
| width="5%" align="center" bgcolor="#ffff99" | 9<br>
[[w:fluor|F]]
| width="5%" align="center" bgcolor="#c0ffff" | 10<br>
[[w:neon|Ne]]
|-----
| align="center" bgcolor="#FFFFFF" width="8%" | <b>3</b>
| width="5%" align="center" bgcolor="#ff6666" | 11<br>
[[w:natrium|Na]]
| width="5%" align="center" bgcolor="#FFDEAD" | 12<br>
[[w:magnesium|Mg]]
| colspan="10" width="50%" align="center" | 
| width="5%" align="center" bgcolor="#cccccc" | 13<br>
[[w:aluminium|Al]]
| width="5%" align="center" bgcolor="#cccc99" | 14<br>
[[w:silisium|Si]]
| width="5%" align="center" bgcolor="#a0ffa0" | 15<br>
[[w:fosfor|P]]
| width="5%" align="center" bgcolor="#a0ffa0" | 16<br>
[[w:svovel|S]]
| width="5%" align="center" bgcolor="#ffff99" | 17<br>
[[w:klor|Cl]]
| width="5%" align="center" bgcolor="#c0ffff" | 18<br>
[[w:argon|Ar]]
|-----
| align="center" bgcolor="#FFFFFF" width="8%" | <b>4</b>
| width="5%" align="center" bgcolor="#FF6666" | 19<br>
[[w:kalium|K]]
| width="5%" align="center" bgcolor="#FFDEAD" | 20<br>
[[w:kalsium|Ca]]
| width="5%" align="center" bgcolor="#ffc0c0" | 21<br>
[[w:scandium|Sc]]
| width="5%" align="center" bgcolor="#ffc0c0" | 22<br>
[[w:titan (grunnstoff)|Ti]]
| width="5%" align="center" bgcolor="#ffc0c0" | 23<br>
[[w:vanadium|V]]
| width="5%" align="center" bgcolor="#ffc0c0" | 24<br>
[[w:krom|Cr]]
| width="5%" align="center" bgcolor="#ffc0c0" | 25<br>
[[w:mangan|Mn]]
| width="5%" align="center" bgcolor="#ffc0c0" | 26<br>
[[w:jern|Fe]]
| width="5%" align="center" bgcolor="#ffc0c0" | 27<br>
[[w:kobolt|Co]]
| width="5%" align="center" bgcolor="#ffc0c0" | 28<br>
[[w:nikkel|Ni]]
| width="5%" align="center" bgcolor="#ffc0c0" | 29<br>
[[w:kobber|Cu]]
| width="5%" align="center" bgcolor="#ffc0c0" | 30<br>
[[w:sink|Zn]]
| width="5%" align="center" bgcolor="#cccccc" | 31<br>
[[w:gallium|Ga]]
| width="5%" align="center" bgcolor="#cccc99" | 32<br>
[[w:germanium|Ge]]
| width="5%" align="center" bgcolor="#cccc99" | 33<br>
[[w:arsen|As]]
| width="5%" align="center" bgcolor="#a0ffa0" | 34<br>
[[w:selen|Se]]
| width="5%" align="center" bgcolor="#ffff99" | 35<br>
[[w:brom|Br]]
| width="5%" align="center" bgcolor="#c0ffff" | 36<br>
[[w:krypton|Kr]]
|-----
| align="center" bgcolor="#FFFFFF" width="8%" | <b>5</b>
| width="5%" align="center" bgcolor="#FF6666" | 37<br>
[[w:rubidium|Rb]]
| width="5%" align="center" bgcolor="#FFDEAD" | 38<br>
[[w:strontium|Sr]]
| width="5%" align="center" bgcolor="#ffc0c0" | 39<br>
[[w:yttrium|Y]]
| width="5%" align="center" bgcolor="#ffc0c0" | 40<br>
[[w:zirkonium|Zr]]
| width="5%" align="center" bgcolor="#ffc0c0" | 41<br>
[[w:niob|Nb]]
| width="5%" align="center" bgcolor="#ffc0c0" | 42<br>
[[w:molybden|Mo]]
| width="5%" align="center" bgcolor="#ffc0c0" | 43<br>
[[w:technetium|Tc]]
| width="5%" align="center" bgcolor="#ffc0c0" | 44<br>
[[w:ruthenium|Ru]]
| width="5%" align="center" bgcolor="#ffc0c0" | 45<br>
[[w:rhodium|Rh]]
| width="5%" align="center" bgcolor="#ffc0c0" | 46<br>
[[w:palladium|Pd]]
| width="5%" align="center" bgcolor="#ffc0c0" | 47<br>
[[w:sølv|Ag]]
| width="5%" align="center" bgcolor="#ffc0c0" | 48<br>
[[w:kadmium|Cd]]
| width="5%" align="center" bgcolor="#cccccc" | 49<br>
[[w:indium|In]]
| width="5%" align="center" bgcolor="#cccccc" | 50<br>
[[w:tinn (grunnstoff)|Sn]]
| width="5%" align="center" bgcolor="#cccc99" | 51<br>
[[w:antimon|Sb]]
| width="5%" align="center" bgcolor="#cccc99" | 52<br>
[[w:tellur|Te]]
| width="5%" align="center" bgcolor="#ffff99" | 53<br>
[[w:jod|I]]
| width="5%" align="center" bgcolor="#c0ffff" | 54<br>
[[w:xenon|Xe]]
|-----
| align="center" bgcolor="#FFFFFF" width="8%" | <b>6</b>
| width="5%" align="center" bgcolor="#FF6666" | 55<br>
[[w:cesium|Cs]]
| width="5%" align="center" bgcolor="#FFDEAD" | 56<br>
[[w:barium|Ba]]
| width="5%" align="center" bgcolor="#FFBFFF" | <small>57&#x2011;71</small><br>*
| width="5%" align="center" bgcolor="#ffc0c0" | 72<br>
[[w:hafnium|Hf]]
| width="5%" align="center" bgcolor="#ffc0c0" | 73<br>
[[w:tantal|Ta]]
| width="5%" align="center" bgcolor="#ffc0c0" | 74<br>
[[w:wolfram|W]]
| width="5%" align="center" bgcolor="#ffc0c0" | 75<br>
[[w:rhenium|Re]]
| width="5%" align="center" bgcolor="#ffc0c0" | 76<br>
[[w:osmium|Os]]
| width="5%" align="center" bgcolor="#ffc0c0" | 77<br>
[[w:iridium|Ir]]
| width="5%" align="center" bgcolor="#ffc0c0" | 78<br>
[[w:platina|Pt]]
| width="5%" align="center" bgcolor="#ffc0c0" | 79<br>
[[w:gull|Au]]
| width="5%" align="center" bgcolor="#ffc0c0" | 80<br>
[[w:kvikksølv|Hg]]
| width="5%" align="center" bgcolor="#cccccc" | 81<br>
[[w:thallium|Tl]]
| width="5%" align="center" bgcolor="#cccccc" | 82<br>
[[w:bly|Pb]]
| width="5%" align="center" bgcolor="#cccccc" | 83<br>
[[w:vismut|Bi]]
| width="5%" align="center" bgcolor="#cccc99" | 84<br>
[[w:polonium|Po]]
| width="5%" align="center" bgcolor="#ffff99" | 85<br>
[[w:astat|At]]
| width="5%" align="center" bgcolor="#c0ffff" | 86<br>
[[w:radon|Rn]]
|-----
| align="center" bgcolor="#FFFFFF" width="8%" | <b>7</b>
| width="5%" align="center" bgcolor="#FF6666" | 87<br>
[[w:francium|Fr]]
| width="5%" align="center" bgcolor="#FFDEAD" | 88<br>
[[w:radium|Ra]]
| width="5%" align="center" bgcolor="#ff99cc" | <small>89&#x2011;103</small><br>**
| width="5%" align="center" bgcolor="#ffc0c0" | 104<br>
[[w:rutherfordium|Rf]]
| width="5%" align="center" bgcolor="#ffc0c0" | 105<br>
[[w:dubnium|Db]]
| width="5%" align="center" bgcolor="#ffc0c0" | 106<br>
[[w:seaborgium|Sg]]
| width="5%" align="center" bgcolor="#ffc0c0" | 107<br>
[[w:bohrium|Bh]]
| width="5%" align="center" bgcolor="#ffc0c0" | 108<br>
[[w:hassium|Hs]]
| width="5%" align="center" bgcolor="#ffc0c0" | 109<br>
[[w:meitnerium|Mt]]
| width="5%" align="center" bgcolor="#ffc0c0" | 110<br>
[[w:darmstadtium|Ds]]
| width="5%" align="center" bgcolor="#ffc0c0" | 111<br>
[[w:roentgenium|Rg]]
| width="5%" align="center" bgcolor="#ffc0c0" | 112<br>
[[w:ununbium|Uub]]
| width="5%" align="center" bgcolor="#cccccc" | 113<br>
[[w:ununtrium|Uut]]
| width="5%" align="center" bgcolor="#cccccc" | 114<br>
[[w:ununquadium|Uuq]]
| width="5%" align="center" bgcolor="#cccccc" | 115<br>
[[w:ununpentium|Uup]]
| width="5%" align="center" bgcolor="#cccccc" | 116<br>
[[w:ununhexium|Uuh]]
| width="5%" align="center" bgcolor="#ffff99" | 117<br>
[[w:ununseptium|Uus]]</font>
| width="5%" align="center" bgcolor="#c0ffff" | 118<br>
[[w:ununoctium|Uuo]]
|-----
| colspan="19" |  <br>
|-----
| colspan="3" width="18%" bgcolor="#FFFFFF" align="right" | <b>*&nbsp;[[w:Lantanoider|Lantanoider]]&nbsp;&nbsp;</b>
| width="5%" align="center" bgcolor="#FFBFFF" | 57<br>
[[w:lantan|La]]
| width="5%" align="center" bgcolor="#FFBFFF" | 58<br>
[[w:cerium|Ce]]
| width="5%" align="center" bgcolor="#FFBFFF" | 59<br>
[[w:praseodym|Pr]]
| width="5%" align="center" bgcolor="#FFBFFF" | 60<br>
[[w:neodym|Nd]]
| width="5%" align="center" bgcolor="#FFBFFF" | 61<br>
[[w:promethium|Pm]]
| width="5%" align="center" bgcolor="#FFBFFF" | 62<br>
[[w:samarium|Sm]]
| width="5%" align="center" bgcolor="#FFBFFF" | 63<br>
[[w:europium|Eu]]
| width="5%" align="center" bgcolor="#FFBFFF" | 64<br>
[[w:gadolinium|Gd]]
| width="5%" align="center" bgcolor="#FFBFFF" | 65<br>
[[w:terbium|Tb]]
| width="5%" align="center" bgcolor="#FFBFFF" | 66<br>
[[w:dysprosium|Dy]]
| width="5%" align="center" bgcolor="#FFBFFF" | 67<br>
[[w:holmium|Ho]]
| width="5%" align="center" bgcolor="#FFBFFF" | 68<br>
[[w:erbium|Er]]
| width="5%" align="center" bgcolor="#FFBFFF" | 69<br>
[[w:thulium|Tm]]
| width="5%" align="center" bgcolor="#FFBFFF" | 70<br>
[[w:ytterbium|Yb]]
| width="5%" align="center" bgcolor="#ffbfff" | 71<br>
[[w:lutetium|Lu]]
|-----
| colspan="3" width="18%" bgcolor="#FFFFFF" align="right" | <b>**&nbsp;[[w:Aktinoider|Aktinoider]]&nbsp;&nbsp;</b>
| width="5%" align="center" bgcolor="#ff99cc" | 89<br>
[[w:actinium|Ac]]
| width="5%" align="center" bgcolor="#ff99cc" | 90<br>
[[w:thorium|Th]]
| width="5%" align="center" bgcolor="#ff99cc" | 91<br>
[[w:protactinium|Pa]]
| width="5%" align="center" bgcolor="#ff99cc" | 92<br>
[[w:uran|U]]
| width="5%" align="center" bgcolor="#ff99cc" | 93<br>
[[w:neptunium|Np]]
| width="5%" align="center" bgcolor="#ff99cc" | 94<br>
[[w:plutonium|Pu]]
| width="5%" align="center" bgcolor="#ff99cc" | 95<br>
[[w:americium|Am]]
| width="5%" align="center" bgcolor="#ff99cc" | 96<br>
[[w:curium|Cm]]
| width="5%" align="center" bgcolor="#ff99cc" | 97<br>
[[w:berkelium|Bk]]
| width="5%" align="center" bgcolor="#ff99cc" | 98<br>
[[w:californium|Cf]]
| width="5%" align="center" bgcolor="#ff99cc" | 99<br>
[[w:einsteinium|Es]]
| width="5%" align="center" bgcolor="#ff99cc" | 100<br>
[[w:fermium|Fm]]
| width="5%" align="center" bgcolor="#ff99cc" | 101<br>
[[w:mendelevium|Md]]
| width="5%" align="center" bgcolor="#ff99cc" | 102<br>
[[w:nobelium|No]]
| width="5%" align="center" bgcolor="#ff99cc" | 103<br>
[[w:lawrencium|Lr]]
|}


{| align="center"
|+ '''[[w:Kjemisk serie|Kjemiske serier]] i periodesystemet'''
|- align="center"
| style="width:20%; background:#{{w:Grunnstoff/Farge/Alkalimetaller}};"      | [[w:Alkalimetall|Alkalimetaller]]
| style="width:20%; background:#{{w:Grunnstoff/Farge/Jordalkalimetaller}};"  | [[w:Jordalkalimetall|Jordalkalimetaller]]</td>
| style="width:20%; background:#{{w:Grunnstoff/Farge/Lantanoider}};"         | [[w:Lantanoider|Lantanoider]]</td>
| style="width:20%; background:#{{w:Grunnstoff/Farge/Aktinoider}};"          | [[w:Aktinoider|Aktinoider]]</td>
| style="width:20%; background:#{{w:Grunnstoff/Farge/Transisjonsmetaller}};" | [[w:Transisjonsmetall|Transisjonsmetaller]]</td></tr>
|- align="center"
| style="background:#{{w:Grunnstoff/Farge/Metaller}};"      | [[w:Metall|Metaller]]</td>
| style="background:#{{w:Grunnstoff/Farge/Halvmetaller}};"  | [[w:Halvmetall|Halvmetaller]]</td>
| style="background:#{{w:Grunnstoff/Farge/Ikke-metaller}};" | [[w:Ikke-metall|Ikke-metaller]]</td>
| style="background:#{{w:Grunnstoff/Farge/Halogener}};"     | [[w:Halogen|Halogener]]</td>
| style="background:#{{w:Grunnstoff/Farge/Edelgasser}};"    | [[w:Edelgass|Edelgasser]]</td></tr>
|-
| colspan="5" align="center" | <small>(Lantanoidene og aktinoidene er metaller. Halogenene og edelgassene er ikke-metaller.)</small>
|}

==Elektronegativitetsverdier==
{| class="wikitable" cellpadding=6em
|+ '''Gruppe'''
|-
! 1 !! 2 !! 13 !! 14 !! 15 !! 16 !! 17
|-
| H<br/>2,1
|-
| Li<br/>1,0 || Be<br/>1,5 || B<br/>2,0 || C<br/>2,5 || N<br/>3,0 || O<br/>3,5 || F<br/>4,0
|-
| Na<br/>0,9 || Mg<br/>1,2 || Al<br/>1,5 || Si<br/>1,8 || P<br/>2,1 || S<br/>2,5 || Cl<br/>3,0
|-
| K<br/>0,8 || Ca<br/>1,0 || Ga<br/>1,6 || Ge<br/>1,8 || As<br/>2,0 || Se<br/>2,4 || Br<br/>2,8
|-
| Rb<br/>0,8 || Sr<br/>1,0 || In<br/>1,7 || Sn<br/>1,7 || Sb<br/>1,8 || Te<br/>2,1 || I<br/>2,4
|-
| Cs<br/>0,7 || Ba<br/>0,9 || Tl<br/>1,8 || Pb<br/>1,8 || Bi<br/>1,9 || Po<br/>2,0 || At<br/>2,2
|}

==Massetetthet og konsentrasjon av noen konsentrerte løsninger==

==Kjemiske forstavelser (prefikser)==

==Ioniseringsenergi (<math>kJ \times mol^{-1}</math>)==

==Noen konstanter==
* Avogadro-konstanten: <math>N_A = 6,02 \times 10^{23} mol^{-1}</math>
* Molart volum: <math>V_m = \frac{22,4 dm^3}{mol}</math> (ved 0°C og 1 atm)
* Vannets ioneprodukt: <math>K_w = 1,0 \times 10^{-14} (\tfrac{mol}{dm^3})^2</math> (ved 25°C)
* Elementærladningen: <math>e = 1,602 \times 10^{-19} C</math>
* Faraday-konstanten: <math>F = e \times N_A = 9,648 \times 10^4 \tfrac{C}{mol}</math>

==Spenningsrekken==

==Standard reduksjonspotensial ved 25°C==

==Syrekonstanter (''K<sub>a</sub>'') i vannløsning ved 25°C==

==Basekonstanter (''K<sub>b</sub>'') i vannløsning ved 25°C==

==pH-indikatorer==

==Løselighetsprodukter i vannløsninger ved 25°C==

==Løselighetstabell (vann) ved 25°C==
{| border="1" 
|- style="color:red;" |
!  !! Br <sup>-</sup> !! Cl <sup>-</sup> !! CO<sub>3</sub> <sup>2-</sup> !! CrO<sub>4</sub> <sup>2-</sup> !! I <sup>-</sup> !! O <sup>2-</sup> !! OH <sup>-</sup> !! S <sup>2-</sup> !! SO<sub>4</sub> <sup>2-</sup> 
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Ag <sup>+</sup> 
| U || U || U || U || U || U || Uk || U || T
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Al <sup>3+</sup> 
| R || R || Uk || R || R || U || U || R || R
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Ba <sup>2+</sup> 
| L || L || U || U || L || R || L || T || U
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Ca <sup>2+</sup> 
| L || L || U || T || L || T || U || T || T
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Cu <sup>2+</sup> 
| L || L || U || U || Uk || U || U || U || L
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Fe <sup>2+</sup>
| L || L || U || U || L || U || U || U || L
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Fe <sup>3+</sup>
| R || R || Uk || U || Uk || U || U || U || L
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Hg<sub>2</sub> <sup>2+</sup>
| U || U || U || T || U || Uk || U || Uk || U
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Hg <sup>2+</sup>
| T || L || Uk || U || U || U || U || U || R
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Mg <sup>2+</sup>
| L || L || U ||  || L || U || U || R || L
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Ni <sup>2+</sup>
| L || L || U || U || L || U || U || U || L
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Pb <sup>2+</sup>
| T || T || U || U || U || U || U || U || U
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Sn <sup>2+</sup>
| R || R || U || Uk || R || U || U || U || R
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Sn <sup>4+</sup>
| R || R || Uk || L || R || U || U || U || R
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| Zn <sup>2+</sup>
| L || L || U ||  || L || U || U || U || L
|- VALIGN="middle" ALIGN="center"
! style="color:blue;"| K <sup>+</sup>
|  ||  ||  ||  ||  ||  ||  ||  || L
|-
|||_______||_______||_______||_______||_______||_______||_______||_______||_______
|}


U = uløselig, dvs. mindre enn 0,01 g per 100 g vatn<Br>
T = Tungt løselig, dvs. mellom 0,01 g og 1 g per 100 g vatn<Br>
L = Lett løselig, dvs. mer enn 1 g per 100 g vatn<Br>
R = Reagerer med vatn<Br>
Uk = Ukjent<Br>
{{stubb}}

==Organiske forbindelser==

==Data for grunnstoff==