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Roentgenium (AN = 111) was found by a team led by Sigurd Hofmann in 1994. In 2001, his discovery was deemed to have insufficient evidence, but subsequent confirmation in 2002 led to the formal recognition in 2003.
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∙ 12y ago
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Is roentgenium dangerous?
As a radioactive and unstable element roentgenium can be dangerous.
What group of elements is Roentgenium?
Roentgenium (also called unununium) is classified in the metals.
How reactive is roentgenium?
It is supposed that the chemical properties of roentgenium are similar to the properties of silver.
What is the electron configuration of roentgenium?
The electron configuration of roentgenium is: [Rn]5f14.6d9.7s2.
What is the 111th element?
Roentgenium
Where is roentgenium found in the environment?
Roentgenium is an artificial element, not found in the nature.
Where is roentgenium most commonly found on earth?
Roentgenium is an artificial chemical element.
What is the general uses of roentgenium?
Roentgenium has no uses.
What food has roentgenium in it?
Any food has roentgenium.
What is roentgenium used today?
Roentgenium has no uses.
What are roentgenium original uses?
Roentgenium has no uses.
What is the state of matter for roentgenium?
Roentgenium is a solid metal.
Is roentgenium in food?
Any roentgenium exist in foods.
What type of metal is roentgenium?
Roentgenium is a transition metal.
How much does roentgenium cost?
Roentgenium is not a commercial product.
How do you use roentgenium?
Roentgenium hasn't practical uses.
How many electrons does roentgenium have?
Roentgenium has 111 electrons.
