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When uranium-238 atomic number 92 decays by emitting an alpha particle it becomes?
When uranium-238 (atomic number 92) decays by emitting an alpha particle, it transforms into thorium-234 (atomic number 90) because an alpha particle contains two protons and two neutrons, reducing the atomic number by two.
What is emitted from the nucleus during beta decay?
During beta decay, a neutron is converted into a proton, releasing an electron (beta particle) and an antineutrino from the nucleus. The beta particle is emitted as the neutron decays into a proton, increasing the atomic number of the nucleus.
When an alpha particle is emitted the atomic increases by what?
The emission of an alpha particle (which is a Helium nucleus) from a radioactive nuclide would decrease its atomic number (z) by two, and its mass number by 4. So for example, Plutonium-239 (z=94) would emit the alpha particle and jump back down the table to Uranium-235 (z=92). It is possible to go up the table (increase atomic number) through certain beta decays.
If argon is 18 then what is 19?
K - Potassium. Just look at atomic numbers on periodic table! potassium
When radium emits an alpha particle the resulting nucleus has atomic number?
The result is radon, atomic number 86. 226Ra - alpha particle = 222Rn (radon, a radioactive gas)
What particle does argon-39 atomic number 18 emit when it decays to potassium-39 atomic number 19?
electron or beta particle
When radium-226 (atomic number 88) decays by emitting an alpha particle it becomes .?
?
When thorium decays by emmitting an alpha particle what is the atomic number of the resulting nucleus?
88Ra, Radium
How is the mass number of an element affected when it decays by ejecting an alpha partical?
The mass number of an element decreases by 4 when it decays by ejecting an alpha particle. This is because an alpha particle has a mass number of 4 and atomic number of 2. The atomic number of the element also decreases by 2.
What kind of radiation is emitted when polonium decays to astatine?
Polonium, which has an atomic number of 84, decays to astatine, which has an atomic number of 85, a negative beta particle is emitted.
Is radium identical to an alpha particle?
No. Radium is a heavy metal, atomic number 88 (with 88 protons). An alpha particle is a helium nucleus, atomic number 2. Radium decays by each atom emitting an alpha particle, becoming Radon gas, atomic nubmer 86.
When radium-226 decays to form radon-222 the radium nucleus emits a?
When Radium-226 decays to form Radon-222, the Radium nucleus emits an alpha particle. The atomic number goes down by 2, and the mass number goes down by 4, matching the atomic number and mass number of the alpha particle.
What happens when U-235 emits a beta particle?
beta decay results from the transformation of a neutron in the nucleus to a proton (+ charge) and an electron (beta particle). The proton remains in the nucleus increasing the atomic number by one (mass number remains the same) while the electron is emitted as a beta particle. So, U-235 of atomic number 92 changes to Neptunium with atomic number 93. However, to my knowledge, U-235 decays by gamma not beta. U-236 decays by beta to Neptunium-236.
What is the atomic number of potassium and sodium?
Potassium is a non metal element. Atomic number of it is 39.
When uranium-238 atomic number 92 decays by emitting an alpha particle it becomes?
When uranium-238 (atomic number 92) decays by emitting an alpha particle, it transforms into thorium-234 (atomic number 90) because an alpha particle contains two protons and two neutrons, reducing the atomic number by two.
What is an atom of potassium's atomic number and mass number?
The atomic number of potassium is 19.The atomic weight of potassium is 39,0983(1).The mass number of the isotope potassium-39 is 39.
What is the atomic number for potassium?
Pottasium is a meta element. Atomic number of it is 19.
