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3.Radioactive decay is the breakdown of an atomic nucleus resulting in the release of energy and matter from the nucleus. Answer link. nuclear fusion is a nuclear reaction in which two or more atomic nuclei come very close and then collide at a very high speed and join to form a new nucleus. 2.nuclear fission is a process in which the nucleus ...
Carbon-14 is radioactive because it has too many neutrons for the number of protons. > The principal factor that determines whether a nucleus is stable is the neutron to proton (n:p) ratio. The diagram below plots the number of neutrons versus the number of protons in the first 15 elements. The black squares represent stable isotopes. They are called the band of stability for these elements ...
During radioactive decay, particles and energy called radiation are are released by atoms of the radioactive element. Radioactive decay is the term used to describe the process by which an unstable atom loses energy to its surrounding environment. With radioactive decay, the nucleus of the atom changes from a parent nuclide to a daughter nuclide.
In radioactive decay, an atom will lose protons, and therefore forms new elements. In alpha decay, an alpha particle (a helium nucleus) is emitted from the radioactive atom, and the atom therefore loses 2 protons, and becomes a new element. An example is: 256 103Lr → 252 101M d + 4 2H e. This is alpha decay of lawrencium, an unstable ...
Explanation: The best known everyday application of alpha decay is the smoke detector. A smoke detector consists of two metal plates with a small space between them. These plates have wires connected to a battery and current monitor. One of the plates contains a small amount of the radioactive element americium, which gives off alpha particles.
Explanation: When an unstable isotope undergoes radioactive decay radiation is emitted in the form of either alpha, beta, or gamma particles. Alpha or beta emissions may result in a change in the number of protons within the nucleus. A change in the number of protons changes the radioactive isotope into a more stable isotope.
Radioactive decay can be used to date igneous rocks by assuming making some assumptions, finding the percentages of parent to daughter products and using experimentally determined half-lives. Start with the assumptions that the rock 1. started with 100% of the parent element, and 0% of the daughter element. 2, there has been no loss of the parent element due to erosion. 3. there has been not ...
The ease of using the formula for radioactive decay with common elements found in nature make it a powerful tool. Radiometric dating is the technique of using isotopic ratios of common elements to determine the age (approximate) of materials associated with the element, such as trees, rock strata, fossils, human artifacts and the like. Because radioactive decay follows a specific mathematical ...
The faster the decay, the shorter the half life. Half life (mathematically T_(1/2)) is how long it takes for half of the atoms in a substance to radioactively decay. If you want to know the maths behind their relationship, N = N_0e^(-lambdat) applies to radioactive substances, where N is the number of radioactive atoms at time t N_0 is the number of radioactive atoms at the beginning of the ...
Therefore, the isotope produced by the beta decay of nitrogen-17 will be oxygen-17. 17 7 N → 17 8 O +0 -1e + ¯νe. Answer link. ""_8^17"O" In order to figure out what isotope is produced when nitrogen-17 undergoes beta decay, you first need to make sure that you understand what beta decay actually is. As you know, when an isotope undergoes ...