Those would be the transuranic elements, such as Plutonium, which are toxic to all life on Earth due to radioactivity and can last as such for thousands of years. The most important isotope of Plutonium is Pu-239 with a half life of 24,100 years.
probley not if they are bright colors they most likely are posionous.
it is posionous
no.
uit is posionous
All octopodians are venomous but most are only venomous to a small degree. The most venomous octopode is the blue-ringed octopus.
yes
NO! it's a country.
Nope
No.
yes
No. The flower, carnation, is not posionous.
state of being excessively posionous