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When a Uranium 238 emits an alpha particle the nucleus left behind has how many protons?
When a Uranium-238 emits an alpha particle, it loses 2 protons and 2 neutrons. The resulting nucleus, Thorium-234, has 90 protons.
Why is it easier to split a Uranium 235 nucleus using neutrons than using alpha particles?
Neutrons don't have an electric charge, so they can easily penetrate the nucleus of Uranium-235 without being repelled by the positive charge of the protons. Alpha particles are helium nuclei consisting of 2 protons and 2 neutrons and have a positive charge, which makes it harder for them to penetrate the nucleus due to the repulsive forces between the positively charged alpha particle and the positively charged protons in the nucleus.
What is the number of subatomic particles that make up the nucleus of a Uranium 235 atom?
The subatomic particles located in an atom's nucleus are protons and neutrons. Uranium has an atomic number of 92, thus has 92 protons. That means 235U must have 235 - 92 = 143 neutrons.
Which naturally occurring radioactive particle is the largest?
Alpha particles are the same size as a helium nucleus and are made up of 2 protons and two neutrons. They have no electrons so an alpha particle has a +2 charge
How is helium form by placing an alpha particle emitter into a jar?
When an alpha particle emitter, such as uranium or thorium, emits an alpha particle, it consists of two protons and two neutrons. When this particle encounters a helium nucleus inside the jar, which also contains two protons and two neutrons, they can combine to form a helium atom. This process results in the formation of helium within the jar.
When a Uranium 238 emits an alpha particle the nucleus left behind has how many protons?
When a Uranium-238 emits an alpha particle, it loses 2 protons and 2 neutrons. The resulting nucleus, Thorium-234, has 90 protons.
What is the number of protons in the nucleus of a uranium atom?
92 protons in uranium nucleus
How many protons does uranium have in its nucleus?
Uranium has 92 protons.
How many protons in uranium-235 atomic number 92 after undergoes fission?
After undergoing fission, the number of protons in the uranium-235 nucleus will remain the same. Uranium-235 has 92 protons, and fission does not change the number of protons in the nucleus.
How many protons are in the nucleus of an atom of Uranium - 238?
There are 92 protons in the nucleus of an atom of Uranium-238.
When uranium ejects an alpha particle how many protons does the remaining nucleus have?
The atomic transmutation brought about by beta decay will depend on the type of beta decay. In beta minus decay, a neutron will be converted into a proton, and the nucleus will eject an electron. This makes proton count (and atomic number) increase by one and neutron count decrease by one. In beta plus decay, a proton is converted into a neutron and a positron (anti-electron), and this will make proton count (and atomic number) go down by one and neutron count go up by one. A link can be found below for more information.
What happens when uranium gives off an alpha particle?
When uranium gives off an alpha particle, it undergoes radioactive decay and transforms into a different element. The alpha particle emitted is composed of two protons and two neutrons, equivalent to a helium-4 nucleus. This process helps to stabilize the atomic nucleus by reducing its size and releasing energy.
Why is it easier to split a Uranium 235 nucleus using neutrons than using alpha particles?
Neutrons don't have an electric charge, so they can easily penetrate the nucleus of Uranium-235 without being repelled by the positive charge of the protons. Alpha particles are helium nuclei consisting of 2 protons and 2 neutrons and have a positive charge, which makes it harder for them to penetrate the nucleus due to the repulsive forces between the positively charged alpha particle and the positively charged protons in the nucleus.
Which is also called an alpha particle?
An alpha particle is also called a helium-4 nucleus, consisting of two protons and two neutrons. It is emitted during the radioactive decay of heavy elements such as uranium and radium.
How do you find the number of neutrons in the nucleus of uranium?
Number of neutrons in an atomic nucleus = Atomic mass of an isotope - Number of protons in the nucleus For uranium the number of protons is 92; each isotope has of course a different mass.
What is the nuclear composition of uranium-235?
Uranium-235 consists of 92 protons and 143 neutrons in its nucleus.
Why must the bullet that splits a uranium atom be neutral?
The bullet that splits a uranium atom is a neutron. Other possible bullets are protons and alpha particles. But these particles are positively charged and so will be repelled by the nucleus of the uranium atom since it contains protons in plenty. Like charges repel. So the uranium nucleus with the positive charge will repel other positive charges. Neutron is a neutral particle and so is not repelled. So a neutron is used as a bullet to split uranium atom.
