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Chemical deduction (Posted on 2019-05-13) Difficulty: 1 of 5
A famous chemist was murdered in his own lab. There was no evidence except for a piece of paper with the names of chemical substances on it: carbon, oxygen, nickel, lanthanum, and sulfur. On the day he was murdered, the chemist had only 3 visitors: his wife Mary, his nephew Nicolas, and his friend Johnathan.

The police arrested the murderer right away. Who was it?

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
Chemical deductionpatsm00re182019-07-11 06:56:59
Chemical deductionCassandra D. Everhart2019-06-12 01:47:37
No SubjectRonald M. Lynch2019-05-18 08:44:36
SolutionsolutionCharlie2019-05-13 12:45:21
SpoilerSteven Lord2019-05-13 11:17:21
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