Type in as many chemical elements as you know.

You have     elements correct.

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1 1
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2 3
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5
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3 11
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13
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4 19
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5 37
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6 55
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 *
 71
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7 87
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 *
*
 103
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* Lanthanides 57
 58
 59
 60
 61
 62
 63
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 70
** Actinides 89
 90
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 102
Alkali metals Alkaline earths Lanthanide Actinides Transition metals Solid Liquid
Poor metals Metalloids Nonmetals Halogens Noble gases Gas Artificial and solid Not discovered

Show all. Teriodic - periodic table trainer (c) 2004 Tero Karvinen www.iki.fi/karvinen. Based on Wikipedia.org table. GNU General Public License. Validate HTML 4.01