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<p>[QUOTE=&quot;gold standard db, post: 2920557, member: 84037&quot;]The neon coin will light up orange red when an electric current runs through it. The sodium coin will explode on contact with water. It&#039;ll be encased like the other toxic elements. Direct prolonged sunlight on the hydrogen coin would be bad. Theres several other reactive elements.&nbsp; Its a very interactive coin set. Science and coins yay![/QUOTE]</p><p><br /></p>

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