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Where does uranium and plutonium come from?
Uranium and plutonium are naturally occurring elements found in the Earth's crust. They are formed through processes like nuclear decay of other radioactive elements or through supernova explosions. Both uranium and plutonium are used as fuel in nuclear reactors and in the production of nuclear weapons.
How many valance electrons can atoms of nonmetals have?
Atoms of nonmetals can have up to 8 valence electrons. They tend to gain, share, or receive electrons to achieve a full outer electron shell. This allows them to reach a stable electron configuration, similar to a noble gas.
How much uranium is in the world?
After the data known today, approx. 4 % from the world uranium reserves (approx. 225 000 tonnes).
Is uranium a nonrenewable or renewable source?
Uranium is non-renewable. Once we've dug it all up it, there won't be any more.Another Answer:Uranium is very abundant, representing about 2 to 4 parts per million in the crust. We won't be able to dig it all up.
Description of uranium?
Uranium is a silvery-white metallic element. It is ductile and slightly softer than steel. It has high density, about 70% more than lead, but slightly less than gold. It is radioactive, and slowly decays by alpha decay, though it occasionally spontaneously fissions under the influence of neutrons. In the presence of air, it quickly corrodes and develops a black oxide coating. In nature, it is always found in conjunction with other elements. One of the isotopes, Uranium-235, under the right conditions, can setup a nuclear chain reaction where neutrons split the Uranium-235, producing other nuclides along with more neutrons along with a large amount of energy. This can be controlled, such as in a power plant, or it can be uncontrolled, such as in a weapon.
How common is uranium in the earths crust?
Crustal rocks: 2-3 ppm Sea water: cca. 3,3 ppb
What is Uranium's Natural State?
Uranium is usually found in nature in the form of uranium ore, which is a combination of uranium, oxygen, and other elements. It can take the form of minerals such as uraninite, coffinite, and carnotite.
What two elements make up more than 80 percent of the atoms found in the earths crust?
Oxygen and silicon make up more than 80 percent of the atoms found in the Earth's crust. Oxygen is the most abundant element in the Earth's crust, comprising about 46.6% of the crust by weight, while silicon is the second most abundant at around 27.7%.
What is the size of the earths crust?
The Earths crust is approximately 650 km deep.
What causes the earths crust to rise and fall?
The sudden vibration in the plates inside the crust causes the earths crust to rise & fall.
What is the major heat source of earth's crust?
there are many reasons for heat in earths crust. like the friction between rock masses during movements of earths crust. there may also be heat left over from the original heat of earths interior. but the main reason for heat in earths crust is radioactive elements. they give off energy that can be absorbed as heat. some radioactive elements include uranium, thorium, and a form of potassium.
What is under the earths surface and in the earths crust?
mantle
Why is the stress the earths crust?
The earth's crust is not stress
The crust is only what of earths thickness?
half of earths layer
What forms the elevated part of the earths crust?
continental crust
What is the state of the earths crust?
The earth's crust is generally solid.
Earths thin rocky outer layer is its .?
crust
