arsenic
Arsenic would be the primary element you would want as a rat poison. However, arsenic is not as common a component of rat poisons today; most manufacturers have substituted anticoagulants; metal phosphides of aluminum, calcium, magnesium, and zinc; and, vitamins D, D1, and D2 that are highly toxic to rats.
Arsenic is a common rat poison often found in mystery titles.
Arsenic and Old Lace
arsenic
Arsonic
carbon is used in rat poison and is the title of a murder mystery
Arsenic (and Old Lace).
"Arsenic"
Arsenic.
Arsenic is a common rat poison often found in mystery titles. Arsenic and Old Lace
Arsenic is used in rat poison and is in the title "Arsenic and Old Lace."
Arsenic is a common rat poison often found in mystery titles. Arsenic and Old Lace
Arsenic is used in rat poison and is in the title "Arsenic and Old Lace."
Historically, arsenic was used on rats. Some insecticides used thallium, a heavy metal.
bromadiolone is found in rat poisons
Arsnic and Warfrin
arsenic