Question

Which element is used as a rat poison and is found in the title of the murder mystery?

Answer 1

Arsenic.

Arsenic is a chemical element with the symbol As and atomic number 33. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Arsenic is a metalloid.

Answer 2

The element that is used as a rat poison and found of the murder mystery is Arsenic.
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