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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.
Transmutation does not occur in which of these nuclear processes?
Transmutation does not occur in nuclear fission, where atomic nuclei are split into smaller fragments. Transmutation involves changing the identity of an atomic nucleus by altering the number of protons and neutrons it contains, which occurs in nuclear fusion reactions and radioactive decay processes.
What is the effect of beta decay on the composition of a nucleus?
Beta decay changes the composition of a nucleus by transforming a neutron into a proton, accompanied by the emission of a beta particle (electron or positron) and an antineutrino or neutrino. This process increases the atomic number of the nucleus while keeping the mass number constant, leading to the formation of a different element.
What is the identity of the nuclide produced when thallium-201 decays by electron capture?
When thallium-201 decays by electron capture, it transforms into mercury-201. In electron capture, a proton in the nucleus combines with an inner-shell electron to form a neutron and a neutrino. The resulting nuclide is one atomic number less with the same mass number.
Radioactive elements comprise a majority?
Radioactive elements make up a small fraction of all naturally occurring elements in Earth's crust. Most elements are stable and non-radioactive. However, even though they are a minority, radioactive elements play important roles in various scientific, medical, and industrial applications.
How do you determine the number of protons in a nuclide?
The number of protons in a nuclide is determined by its atomic number, which is unique to each element. The atomic number is typically listed in the periodic table and represents the number of protons in the nucleus of an atom.
What is a nuclide symbol?
A nuclide symbol represents a specific isotope of an element and consists of the element's chemical symbol, atomic number, and mass number. The chemical symbol is a one- or two-letter abbreviation for an element, the atomic number is the number of protons in the nucleus, and the mass number is the sum of protons and neutrons in the nucleus.
How are the atomic number and mass number of a nuclide affected by the emisson of gramma radiation?
Any change of the atomic number.
What is a correct representation for a nuclide of radon?
A correct representation for a nuclide of radon in atomic symbol notation would be ^22286 Rn. This indicates that the nuclide has 222 nucleons (sum of protons and neutrons) and an atomic number of 86 (number of protons).
A nuclide is identified by?
A nuclide is identified by the number of protons in its nucleus, known as the atomic number, and the total number of protons and neutrons, known as the mass number. These two properties determine the unique identity of a specific nuclide.
What is the atomic number of radioactive nitrogen?
The atomic number of nitrogen is 7. Since nitrogen is a naturally occurring element, it's not specifically "radioactive nitrogen." However, nitrogen can form radioactive isotopes such as nitrogen-13 or nitrogen-16 through processes like radioactive decay or nuclear reactions.
What is nuclide writing?
Nuclide writing is a notation system used to represent a specific nuclide of an element. It includes the chemical symbol, atomic number, and mass number of the nuclide. This notation is helpful for identifying different isotopes of an element.
What is the Formula to calculate number of nuetrons in a nuclide?
The number of neutrons in a nuclide can be calculated using the formula: [ \text{Number of Neutrons} = \text{Mass Number} - \text{Atomic Number} ] Here, the mass number is the total number of protons and neutrons in the nucleus, while the atomic number represents the number of protons. Thus, subtracting the atomic number from the mass number gives the number of neutrons.
What is the approximate atomic mass of a nuclide of phosphorus that an atomic number of 15 and that has 16 neutrons?
The atomic mass of phosphorous-31 is 30,97376163(20).
What is the superscript and subscript of the nuclide of hafnium that contains 107 neutrons?
The superscript is the atomic mass number, which is the sum of protons and neutrons. The subscript is the atomic number, which is the number of protons. For a hafnium nuclide with 107 neutrons, the superscript would be 180 (107 neutrons + 73 protons) and the subscript would be 73.
What is the symbol of the nuclide having 16 protons and 16 neutrons?
This is a stable isotope of sulfur: 1616S.
What is a slogan for molybdenum?
radioactive, artificial, metal, atomic number 101
