what is the exact proportion of polonium 238 to be given in our body.Means that how much gram of polonium 238 can kill 5 crore people's
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Answer:
Polonium-210 is the deadly poison that was used to kill the former Russian spy, Alexander Litvinenko, in London in 2006. He died of radiation sickness.
Litvinenko is alleged to have swallowed a fatal dose of Po-210 by drinking tea at a business meeting with two other Russians. Both were charged with his murder.
This incident is thought to have exposed 700 people to radiation, although none became seriously ill. Some locations in London, including a restaurant and nightclub, were temporarily closed as a safety measure.
The autopsy involved complex safety measures.
Polonium-210 is abbreviated to Po-210, (210)Po, or 210 Po.
Fast facts on polonium-210
Here are some key points about polonium-210. More detail is in the body of this article.
Polonium-210 is a rare radioactive metal discovered by Marie Curie in the late 19th century.
While radioactive, it emits a high-energy form of radiation, but the particles do not travel far and it decays relatively quickly.
If polonium-210 enters the body, through inhalation, swallowing, broken skin, the results can be fatal.
By mass, polonium-210 is one of the deadliest toxins, around 250 billion times more toxic than hydrogen cyanide.