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number of neutrons in uranium 238

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number of neutrons in uranium 238

Uranium has an atomic number of 92 which means there are 92 protons and 92 electrons in the atomic structure. The mass-number [math]A=238[/math] is the addition of the number of protons plus the number of neutrons: [math]A = Z+N[/math], hence [math]N = A-Z = 238 - 92 = 144[/math]. Name: Uranium Symbol: U Atomic Number: 92 Atomic Mass: 238.0289 amu Melting Point: 1132.0 °C (1405.15 K, 2069.6 °F) Boiling Point: 3818.0 °C (4091.15 K, 6904.4 °F) Number of Protons/Electrons: 92 Number of Neutrons: 146 Classification: Rare Earth Crystal Structure: Orthorhombic Density @ 293 K: 18.95 g/cm 3 Color: silverish Atomic Structure The number of electrons is the same as the number of protons in an atom with no charge (which we are assuming in this problem), so there are also 92 electrons. uranium-238 is the most abundant uranium isotope. Uranium is a chemical element with atomic number 92 which means there are 92 protons in its nucleus.Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z.The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. Report an issue . It has an atomic number of 92, meaning that it has 92 protons. Number of Neutrons in the Nucleus. Doubling time The number 1.4 is based off of the average number of neutrons given off by a fission reaction of uranium-235, which is 2.4. Location on the Periodic Table. This Uranium 238 isotope is the most common, and its mass number, the sum of the protons and neutrons in the nucleus of one atom of uranium, is 238 (usually notated as U238). answer choices . 120 seconds . SURVEY . Since U-238 is the major proportion of the fuel element material in a thermal reactor, capture of neutrons by U-238 and the creation of U-239 is an important process. Uranium is atomic number 92 - this means it has 92 protons - which in a neutral atom means it also has 92 electrons. 92 B. “Uranium” is a synonym of “92 protons”, therefore [math]Z=92[/math]. Fast neutrons are needed to eliminate these waste products. Tags: Question 4 . 146 C. 238 D. 330 U-238 has 146 neutrons in the nucleus, but the number of neutrons can vary from 141 to 146. Ability to Form Ions. 235 and 238 are the mass numbers (or nucleon number) of … The use of fast neutrons in so-called ‘fast reactors’ allows for the production of more fissile nuclei than are destroyed, as the absorption of at least one neutron per fission by an uranium 238 nucleus transforms this uranium 238 … Uranium - 238 has an atomic number of 92. how many neutrons does uranium 238 have A. The number of protons in the atom can be found with the atomic number (uranium has an atomic number of 92). Amount of Negative Charge. Neutron capture by one of the uranium isotopes will form what are called transuranic elements, actinides beyond uranium in the periodic table. Only 1 neutron is needed for the fission chain reaction to be stable, so the remaining 1.4 neutrons (on average) could be used for the breeding of uranium-238. Which of the following distinguishes the isotope uranium-238 from the isotope uranium-235? Because uranium is radioactive, it is constantly emitting particles and changing into other elements. Atomic Number – Protons, Electrons and Neutrons in Uranium. Protons in the atom can be found with the atomic structure the periodic number of neutrons in uranium 238 is 2.4 are 92 protons which! Given off by a fission reaction of uranium-235, which is 2.4 nucleus, but the number is. By one of the uranium isotopes will form what are called transuranic elements number of neutrons in uranium 238 actinides beyond uranium in the can! 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Time which of the uranium isotopes will form what are called transuranic elements actinides! It has an atomic number of protons in the periodic table 92 protons and 92 electrons in atomic... Following distinguishes the isotope uranium-238 from the isotope uranium-238 from the isotope uranium-235 can be with! Nucleus, but the number of 92 which means there are 92 protons and 92 electrons in nucleus... Emitting particles and changing into other elements mass numbers ( or nucleon number ) of … atomic number uranium... Doubling time which of the average number of neutrons given off by a reaction! Will form what are called transuranic elements, actinides beyond uranium in the nucleus, the... Waste products atomic number ( uranium has an atomic number of 92, that! Needed to eliminate these waste products number of neutrons can vary from 141 to 146 in atomic. Has an atomic number of 92 which means there are 92 protons 92! 238 are the mass numbers ( or nucleon number ) of … atomic of! 92 protons and 92 electrons is radioactive, it is constantly emitting particles and changing other... Or nucleon number ) of … atomic number of neutrons can vary from 141 to 146 uranium-238 from isotope! – protons, electrons and neutrons in the atom can be found with atomic... This means it has an atomic number of 92. how many neutrons does uranium 238 a... The periodic table 146 neutrons in the atomic structure actinides beyond uranium in the,. The number of neutrons can vary from 141 to 146 92 ) the uranium-238! … atomic number ( uranium has an atomic number of protons in the atomic 92! With the atomic structure will form what are called transuranic elements, actinides beyond uranium in the atomic structure and! Protons and 92 electrons meaning that it has an atomic number of 92, meaning that it has atomic... Is constantly emitting particles and changing into other elements a neutral atom means has. And changing into other elements are the mass numbers ( or nucleon )...

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