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Charlize
kytky 2, meta: 850
kytky 2, meta: 850


Joined: 29 May 2008
Posts: 794

PostPosted: Thu 29.5.2008 13:38    Post subject: Chemie Reply with quote

Ahoj,

doufám, že se mezi vámi najde nějaký chemik Smile Chtěla bych se zeptat, jestli nevíte vzorec peroxosíranu barnatého a hlavně taky to, jak k němu mám dojít Smile Dále vzorec dihydroxyarseničnanu sodného a chloridu draselno-vápenatého...A potom...elektronová konfigurace iontu nitridového ? Děkuju
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wewe
Why is raven like a writing desk?


Joined: 03 Jan 2007
Posts: 3873

PostPosted: Thu 29.5.2008 13:40    Post subject: Reply with quote

Spytaj sa tu Wink
http://sfera.pravy.net/viewtopic.php?t=251&start=225
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Charlize
kytky 2, meta: 850
kytky 2, meta: 850


Joined: 29 May 2008
Posts: 794

PostPosted: Thu 29.5.2008 13:42    Post subject: Reply with quote

Děkuju, já jsem to přehlídla:)
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Lenore
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Joined: 02 Jan 2007
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PostPosted: Thu 29.5.2008 15:27    Post subject: Reply with quote

zamykám
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