GREYHOUND1
1 Answer
country bumpkin
http://www.rsc.org/chemistryworld/podcast/interactive_periodic_table_transcripts/lead.asp
Lead, seems habituated to revealing its true and dirty colours. Exposed to air, it may go on taking up oxygen until it turns black.
http://en.wikipedia.org/wiki/Smart_glass
| 13 years ago. Rating: 4 | |
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