what happens when an atom loses an alpha particle
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What happens when an atom loses a alpha particle? What happens when an atom emits an alpha particle or beta particle? alpha: 2 protons & 2 neutrons leave nucleus as a helium nucleus. This results in the atomic mass decreasing by 4 units and the atomic number decreasing by 2 units.
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- Alpha decay is one type of radioactive decay, in which an atomic nucleus emits an alpha particle, and thereby transforms (or decays) into an atom with a mass number decreased by 4 and atomic number decreased by 2.
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Alpha particle Alpha Beta Gamma Radiation. An alpha particle has two protons and two neutrons, so it has a positive charge. (Since it has two protons it is a helium nucleus.) It is produced from large nuclei. When an atom emits an alpha particle, the atom's mass number decreases by four due to the loss of the four nucleons in the alpha particle.
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- After a radioactive nucleus has emitted a beta particle, the mass number stays the same and the atomic number goes up by 1. A neutron in the nucleus has changed into a proton plus an electron. The proton stays inside the nucleus but the electron is emitted as a beta particle.fter a radioactive nucleus has emitted a beta particle, the mass number stays the same and the atomic number goes up by 1. A neutron in the nucleus has changed into a proton plus an electron. The proton stays inside the nucleus but the electron is emitted as a beta particle.
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What happens if an atom of an element gains or loses electrons.? Best Answer: If an atom gains or loses electrons, it is no longer neutral, so it becomes charged. If it GAINS an electron, it gains an extra -1 charge. If it LOSES an electron, it now has a +1 charge. When an atom loses or gains electrons, it is now called an ion. If it loses an electron, it's called a cation, if it gains an electron, its called an anion. Hope this helps!!
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Alpha Decay An alpha-particle decay. In alpha decay, shown in Fig. 3-3, the nucleus emits a 4He nucleus, an alpha particle. Alpha decay occurs most often in massive nuclei that have too large a proton to neutron ratio. An alpha particle, with its two protons and two neutrons, is a very stable configuration of particles. Alpha radiation reduces the ratio of protons to neutrons in the parent nucleus, bringing it to a more stable configuration.
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Beta Decay In beta plus decay, a proton decays into a neutron, a positron, and a neutrino: p æ n + e+ +n. Both reactions occur because in different regions of the Chart of the Nuclides, one or the other will move the product closer to the region of stability.
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- Alpha decay is one type of radioactive decay, in which an atomic nucleus emits an alpha particle, and thereby transforms (or decays) into an atom with a mass number decreased by 4 and atomic number decreased by 2.lpha decay occurs when the nucleus ejects an alpha particle (helium nucleus). This is the most common process of emitting nucleons, but in rarer types of decays, nuclei can eject protons, or in the case of cluster decay specific nuclei of other elements.
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- Alpha Particles. Alpha decay is a radioactive process in which a particle with two neutrons and two protons is ejected from the nucleus of a radioactive atom. The particle is identical to the nucleus of a helium atom. Alpha decay only occurs in very heavy elements such as uranium, thorium and radium.
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Radioactive decay Alpha decay occurs when the nucleus ejects an alpha particle (helium nucleus). This is the most common process of emitting nucleons, but in rarer types of decays, nuclei can eject protons, or in the case of cluster decay specific nuclei of other elements.he product is called the daughter nuclide. In some decays, the parent and the daughter nuclides are different chemical elements, and thus the decay process results in the creation of an atom of a different element. This is known as a nuclear transmutation.
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Radioactive decay Radioactive decay, also known as nuclear decay or radioactivity, is the process by which a nucleus of an unstable atom loses energy by emitting radiation.lpha decay occurs when the nucleus ejects an alpha particle (helium nucleus). This is the most common process of emitting nucleons, but in rarer types of decays, nuclei can eject protons, or in the case of cluster decay specific nuclei of other elements.
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Types of Radioactive Decay Alpha Radiation/Decay. 1  Alpha decay usually happens in larger, heavier atoms. 2  The symbol looks like Helium because Helium-4 has the same number of protons and neutrons as an alpha particle (no electrons, though). 3  Since Alpha particles have two protons and no electrons, they have a net charge of 2+.
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Alpha decay Alpha decay is a form of nuclear fission in which the parent atom splits into two daughter products. When an atomic nucleus releases an alpha particle, the atom decays (is transformed) into another atom with a mass number that is lower by 4 and an atomic number that is lower by 2. For example, the alpha decay of radium atoms converts them to radon atoms, released as a gas.
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Alpha particle Alpha particle. Alpha particles consist of two protons and two neutrons bound together into a particle identical to a helium nucleus. They are generally produced in the process of alpha decay, but may also be produced in other ways. Alpha particles are named after the first letter in the Greek alphabet, α.
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- During alpha decay, an atom's nucleus sheds two protons and two neutrons in a packet that scientists call an alpha particle. Since an atom loses two protons during alpha decay, it changes from one element to another.For example, after undergoing alpha decay, an atom of uranium (with 92 protons) becomes an atom of thorium (with 90 protons).eport Abuse. e. An alpha particle is two protons and two neutrons, and it is emitted from the nucleus. When it is emitted, the atomic weight of the nucleus decreases by about 4, and the atomic number by 2. With beta radiation, a neutron becomes a proton, with the emission of an electron.
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Alpha decay Alpha decay. Visual representation of alpha decay. Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and thereby transforms or 'decays' into an atom with a mass number that is reduced by four and an atomic number that is reduced by two.
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Radioactive decay Alpha, beta and gamma radiation can be emitted from any unstable nucleus of an atom. An alpha particle is essentially a helium nucleus. Under certain conditions, a large nucleus may give off these particles. An alpha particle is two protons and two neutrons. An alpha particle has a positive charge.
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Questions and Answers In fact, an alpha particle really is a nucleus - it's the same as the nucleus of a common atom of helium - but it doesn't have any electrons around it, and it's traveling very fast. Alpha particles are a type of ionizing radiation. To describe the production of alpha particles, we have to define radioactive decay. This process can be thought of as follows. Certain combinations of neutrons and protons in a nucleus are stable. For example, in a stable bismuth atom there are 83 protons and 126 neutrons.
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- When a neutron breaks down into a proton and electron it is called decay. In this specific case it is Beta - (minus) decay since it is producing an electron (it also produces an electron antineutrino). If the result were a positron instead of an electron it would be called Beta + decay.
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Definition of Alpha Decay An atom that undergoes alpha decay will reduce its atomic mass by 4 and become the element two atomic numbers less. where X is the parent atom, Y is the daughter atom, Z is the atomic mass of X, A is the atomic number of X. Examples: 238U92 decays by alpha decay into 234Th90.
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Radiation_Radioactivity Alpha decay is a radioactive process in which a particle with two neutrons and two protons is ejected from the nucleus of a radioactive atom. The particle is identical to the nucleus of a helium atom . Alpha decay only occurs in very heavy elements such as uranium, thorium and radium.
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- Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and thereby transforms or 'decays' into an atom with a mass number that is reduced by four and an atomic number that is reduced by two.
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Alpha particle Alpha particle. An alpha particle is made up of two protons and two neutrons. It is a kind of helium, except without electrons. Radioactive elements give out alpha particles when they go through a kind of radioactive decay, known as alpha decay. During alpha decay, the atomic nucleus releases an alpha particle.
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Alpha particle The best-known source of alpha particles is alpha decay u atomic weight) atoms. When an atom emits an alpha particle in alpha decay, the atom's mass number decreases by four due to the loss of the four nucleons in the alpha particle. The atomic number of the atom goes down by exactly two, as a result of the loss of two protons – the atom becomes a new element.