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Hint: Gamma rays are produced in the disintegration of radioactive atomic nuclei and in the decay of certain subatomic particles. It consists of the shortest wavelength electromagnetic waves and so imparts the highest photon energy.
Complete step-by-step answer:
A. Uranium is a radioactive material as it emits radiation energy in the form of alpha, beta, or gamma particles or rays. Pitchblende contains a modest quantity of radium as a radioactive rot result of uranium. Since the uranium isotopes, $^{ 238 }{ U }$ and $^{ 235 }{ U }$ will decay to shape the lead isotopes $^{ 206 }{ Pb }$ and $^{ 207 }{ Pb }$. Pitchblende likewise consistently contains modest quantities of lead.
B. A radioactive type of component phosphorus. It is utilized in the research facility to name DNA and proteins. It has likewise been utilized to treat a blood issue called polycythemia vera and specific sorts of leukemia, however, it isn't generally utilized any longer. Phosphorus emits radiation that harms the DNA in a cell, which can make cell death.
C. ${ CO }_{ 2 }$ makes up just about ${ 0.04\% }$ of the air, and water fumes can differ from ${ 0 to 4\% }$. So, this statement is incorrect.
D. Gamma radiation doesn't influence the atomic number or the atomic mass number. So, alpha radiation brings about the best change in atomic number, and thus charge, and mass number too. An element can decay to components of a more prominent atomic number by radiating electrons (beta particles).
Hence, The correct options are A and B.
Note: The possibility to make a mistake is that gamma-ray changes the mass number and not the atomic number, but gamma-ray doesn’t affect a mass number or atomic number.
Complete step-by-step answer:
A. Uranium is a radioactive material as it emits radiation energy in the form of alpha, beta, or gamma particles or rays. Pitchblende contains a modest quantity of radium as a radioactive rot result of uranium. Since the uranium isotopes, $^{ 238 }{ U }$ and $^{ 235 }{ U }$ will decay to shape the lead isotopes $^{ 206 }{ Pb }$ and $^{ 207 }{ Pb }$. Pitchblende likewise consistently contains modest quantities of lead.
B. A radioactive type of component phosphorus. It is utilized in the research facility to name DNA and proteins. It has likewise been utilized to treat a blood issue called polycythemia vera and specific sorts of leukemia, however, it isn't generally utilized any longer. Phosphorus emits radiation that harms the DNA in a cell, which can make cell death.
C. ${ CO }_{ 2 }$ makes up just about ${ 0.04\% }$ of the air, and water fumes can differ from ${ 0 to 4\% }$. So, this statement is incorrect.
D. Gamma radiation doesn't influence the atomic number or the atomic mass number. So, alpha radiation brings about the best change in atomic number, and thus charge, and mass number too. An element can decay to components of a more prominent atomic number by radiating electrons (beta particles).
Hence, The correct options are A and B.
Note: The possibility to make a mistake is that gamma-ray changes the mass number and not the atomic number, but gamma-ray doesn’t affect a mass number or atomic number.
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