Chlorine.
Chlorine is called a green poison because it is pale greenPoissongas.
You think probable to chlorine.
Chlorine.
you know how each dragons eyes match there scales which lead to there element? Well My theory is that because of Cynder's pale green eyes that she was suppose to be a pale green dragon making her a poison dragon.
"Green Poison" is a nickname for Paris Green, a toxic substance. It is used as a pigment, for insecticide, and as a wood preservative, but it is very poisonous.
no
arsenic
iodine
Arsenic
The element you are referring to is probably mercury (Hg). Green mercury(II) sulfide is a common compound of mercury that can sometimes be referred to as "green mercury poison." However, it is important to note that mercury poisoning can result from exposure to various forms of mercury, not just green mercury compounds.
no
Those would be poison ivy, poison oak and poison sumac.