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Which element has the largest amount of protons and is not man made?
The element with the largest amount of protons that is not man-made is uranium, with 92 protons. All naturally occurring elements with more protons than uranium are only found in laboratories as synthetic elements.
Is promethium a natural or man made?
Promethium is a man-made element that is not found naturally on Earth. It is produced by bombarding uranium or neodymium with neutrons in a nuclear reactor.
Is the element plutonium man made?
Yes, plutonium is a man-made element. It is primarily produced in nuclear reactors by bombarding uranium-238 with neutrons. Isotopes of plutonium are used in the production of nuclear weapons and as fuel in nuclear reactors.
What actinide element is the heaviest that occurs naturally on earth?
Uranium is the heaviest actinide element that occurs naturally on Earth.
Is a uranium a pure substance a mixture. and element or a compound?
Uranium is an element. It is a pure substance because it is made up of only one type of atom - uranium atoms.
