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it depends, if he is close to it, it will make him sick. if he touches it, he will be easy to kill for a short period of time, and if he is constantly exposed to it for a long time, it "WILL KILL HIM"

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14y ago
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12y ago

Green Kryptonite is pieces of Krypton that were irradiated as a result of the explosion that destroyed the planet. Due to Superman's Kryptonian DNA, these radioactive pieces of rock cause him extreme pain and loss of powers. It has also been shown that green Kryptonite has a cancer-like effect on humans, after a prolonged period of exposure.

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10y ago

This is because when Bizarro(a guy as strong as Superman) was formed by a duplicator ray Superboy wanted to destroy Bizarro, so Superboy went to space to bring a kryptonite and threw the kryptonite upon Bizarro he caught and threw it back upon Superboy. This made Superboy/Superman weak again kryptonite.

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13y ago

Kryptonite is the debris from the planet Krypton and it contains radiation.

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13y ago

Kryptonite is Superman's weakness, but Blue Kryptonite is okay.

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11y ago

Type your answer here... because it is potion to him

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6y ago

Yes, Kryptonite can kill Superman.

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Q: If Superman is from Krypton why does Kryptonite poison him?
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Related questions

What is the difference between the element krypton and Superman's weakness krypton?

Superman's weakness is Kryptonite which is the official name for the meteor rock fragment that are various colors but the most common color for Kryptonite is Green however there are Red, Black and Gold versions of it as well. In some versions of the Superman lore Kryptonite is seen as a poison to Superman as well as other Kryptonians because it's radioactive material that came from their planet.


Is Superman allergic to Kryptonite?

Kryptonite is the debris from the planet Krypton and it contains radiation.


What weekens Superman?

Kryptonite. Its a rock from his home planet of Krypton. :]


How do you get superpowers on krypton?

you have the eat some kryptonite and then you will be like superman


Why does kryptonite have a effect on super dog?

Superdog was born on Krypton, just like Superman.


How long does it take to ride superman escape from kryptonite?

it depends on how quickly the kryptonite and distance is from him


Why does kryptonite heart Superman?

Kryptonite doesn't heart Superman, it makes him weak. The reason it makes him weak is because it emits a radiation that is harmful to people who were born on the planet Krypton.


What are Superman's week point?

Primarily, Superman's weakness is kryptonite, fragments of his home planet Krypton. He is also vulnerable to magics.


What does kryptonite person mean?

In Superman comics, one of the few things that can defeat Superman is a strange metal called Kryptonite that comes from the planet Krypton. Although the gas krypton exists in air, kryptonite does NOT.


What planet was Superman born on?

Kal-El--Superman's real name--was born on the planet Krypton. He was shot into space by his parents before the planet exploded. Thus, radioactive fragments of the plant Krypton are called "Kryptonite."


What is krypton at room temperature?

Krypton at room temperature is a gas. It is one of the noble gases. It has no connection to kryptonite or to Superman's home planet.


What are the uses of krypton?

To keep superman at bay. No, that's kryptonite. Krypton is mostly used in lighting applications (as are most of the noble gases).