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Grundstoffer i det periodiske system Fysik/kemi 9.kl Sundeved ...

Grundstoffer i det periodiske system Fysik/kemi 9.kl Sundeved ...

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<strong>Grundstoffer</strong> i <strong>det</strong> <strong>periodiske</strong> <strong>system</strong> <strong>Fysik</strong>/<strong>kemi</strong> <strong>9.kl</strong> <strong>Sundeved</strong> Efterskole 2011<br />

Co<br />

Atomnummer 27<br />

<strong>kemi</strong>sk symbol - Co<br />

2<br />

8<br />

15<br />

2<br />

Kobolt<br />

Kobolt er nummer 27 i <strong>det</strong> <strong>periodiske</strong><br />

<strong>system</strong>, <strong>det</strong> vil sige at den har 27<br />

protoner og 27 elektroner.<br />

Kobolts nærmeste ædelgas er Argon<br />

og krypton. For at ligne Argon skal<br />

kobolt afgive 8 elektroner, og for at<br />

ligne Krypton skal kobolt optage 8.<br />

Kobolt har 2 i K skallen, 8 i L skallen,<br />

15 i M skallen og 2 i N skallen.<br />

Kilder:<br />

http://www.ptable.com/<br />

http://da.wikipedia.org/wiki/Kobolt<br />

www.Google.dk<br />

Lavet af:<br />

Natascha Hattens.<br />

9.B<br />

20-01-2011


<strong>Grundstoffer</strong> i <strong>det</strong> <strong>periodiske</strong> <strong>system</strong> <strong>Fysik</strong>/<strong>kemi</strong> <strong>9.kl</strong> <strong>Sundeved</strong> Efterskole 2011

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