what makes some atoms unstable
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What Makes an Atom Stable? Quick Answer. An atom is stable because of a balanced nucleus that does not contain excess energy. If the forces between the protons and the neutrons in the nucleus are unbalanced, then the atom is unstable. Stable atoms retain their form indefinitely, while unstable atoms undergo radioactive decay.
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How many neutrons can an atom hold? As a result, atoms are usually stable so long as the number of protons and neutrons is not too uneven. If this balance isn't right, atoms can split apart through radioactive decay or nuclear fission. If an atom gets too heavy with neutrons, extra neutrons simply won't stick at all — not even for an instant.
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- B.Emitting radiation during radioactive decay C. Destroying Particles that make the nucleus unstable which is supported by the law of conservation of mass. D.Unstable nuclei create enough energy to become stable Uranium emitts particles and rays spontaneously through this process _____ This type of ray is not affected when it is passed through a pair of electrically charged plates _____ High Energy radiation that has no charge and no mass _____ Radiation charged through a negetivly charged plate _____ Process (Not requiring energy) by which unstable nuclei lose energy THANK YOU THANK YOU !!
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- Stable Isotope Principles. An isotope is an atom whose nuclei contain the same number of protons but a different number of neutrons. Isotopes are broken into two specific types: stable and unstable. These unstable isotopes are commonly referred to as radioactive isotopes.
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- Some materials are radioactive because the nucleus of each atom is unstable and gives out nuclear radiation in the form of alpha particles, beta particles or gamma rays. The radiation can be detected using a Geiger counter. Nuclear reactors use a type of nuclear reaction called nuclear fission.
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- If there are too few neutrons or too many neutrons in the nucleus of an atom, the atom is unstable. Such an unstable atom will try to. become more stable by emitting energy in the form of radiation, and it is said to be radioactive.
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Questions and Answers Atoms are the smallest bits of ordinary matter and are made from particles called protons (which carry a positive electrical charge), neutrons (which carry no electrical charge) and electrons (which carry a negative electrical charge). An element is a substance that is made entirely from one type of atom. For example, the element hydrogen is made from atoms containing just one proton and one electron. If you had very, very good eyes and could look at the atoms in a sample of hydrogen, you would notice that most of the atoms have no neutrons, some of them have one neutron and a few of them have two neutrons.
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Chapter 2 - Geology (completed) how do isotopes of the same element vary, and why are some isotopes radioactive. they different isotopes of the same element have a different number of neutrons and if it is unstable it is called radioactive it is a description of how the isotope degrades.
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- When an unstable nucleus of a radioactive isotope spontaneously  decays, the radioactive decay process is normally gamma radiation,  beta particle or alpha particle emission … .During alpha emission, an  alpha particle or Helium-4 is released and the original isotope  becomes another isotope or element.hen an unstable nucleus of a radioactive isotope spontaneously  decays, the radioactive decay process is normally gamma radiation,  beta particle or alpha particle emission … .
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General Chemistry One of the reasons for the nuclear changes can be attributed to the stability of the nucleus. The formation of nucleus from the subatomic particles - neutrons and protons, results in the release of energy. The mass of these individual particles in the nucleus is greater than that of the actual nucleus that is formed. This loss of mass is due to the change of mass into energy.
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Chemistry for Kids 1 Many elements only exist in an unstable or radioactive form. 2  All non-natural or man-made elements are radioactive isotopes. 3  Heavier isotopes tend to react more slowly than lighter isotopes of the same element.4  Deuterium (the hydrogen isotope with one neutron) can form water with oxygen. Many elements only exist in an unstable or radioactive form. 2  All non-natural or man-made elements are radioactive isotopes. 3  Heavier isotopes tend to react more slowly than lighter isotopes of the same element.
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- Since they are neutral, what causes them to stick together to form stable molecules? The answer is a bit strange: we've discovered that the charged parts of one atom can interact with the charged parts of another atom. This allows different atoms to bind together, an effect called the residual electromagnetic force. So the electromagnetic force is what allows atoms to bond and form molecules, allowing the world to stay together and create the matter you interact with all of the time.
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Stable and Unstable Nuclei Stable Nuclei. A stable atom is an atom that has enough binding energy to hold the nucleus together permanently. Many nuclei in nature are very stable, most of the nuclei formed at the creation of the universe or after supernovae explosions many millions of years ago are still in existence now.
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Why do isotopes decay? Isotopes that are unstable are prone to nuclear decay. They decay because the nuclei of the atoms of that isotope are unstable. The instability within the nuclei creates possibilities for a breakdown in the nuclear arrangement with the emission of a particle or particles and/or energy.
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- Unstable, because oxygen is a diatomic element meaning that O (charge of -2) cannot stand alone, when not in a compound it must be O2. So it has a charge of -4.
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The stability of an atom is determined by what? What role do electrons play on determining the stability of an atom? The role electrons play in stabilizing an atom is they balance out the charge of the protons. If an element has more protons than electrons, it has a positive, not neutral, ch … arge, and vice versa.
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- The half-life of a radioisotope. 1  Some atomic nuclei are very unstable and only exist for a few microseconds, seconds, minutes, hours or days. 2  Others are very stable and take millions of years to decay away to form another atom.  Some isotopes are completely stable and do not undergo radioactive decay at all.
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- Atomic Stability. • The electric forces between oppositely. charged electrons and protons hold atoms. and molecules together, and thus are the. forces that cause compounds to form. Stability in Bonding. • Atoms of noble gases are unusually stable. • Compounds of these atoms rarely form. because they are almost always less stable.
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- This would make atoms fall apart, except that another force, the strong nuclear force, pulls them back together. It's this balance of forces that makes atoms possible, and since everything is made out of atoms, that's what makes everything possible. But most things are not made out of just one kind of atom. Instead, different kinds of atoms get together to form larger clumps of atoms called molecules.
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- If you Google for Why is technetium unstable you'll find the question has been asked many times in different forums, but I've never seen a satisfactory answer. The problem is that nuclear structure is much more complex than electronic structure and there are few simple rules.r is there a good account of how Tc falls short of stability for atomic weights 96-100? – Niel de Beaudrap Oct 17 '12 at 18:12. If there are no beta-unstable isobars, is this really a good way to examine why there are no beta-stable isotopes of Z=43? - Yes, because beta-stability depends of proton-neutron ratio.
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List of elements by stability of isotopes Only 13 of the 38 known-but-unstable elements (assuming the total number of elements is 118) have isotopes with a half-life of at least 100 years. Every known isotope of the remaining 25 elements is highly radioactive; these are used in academic research and sometimes in industry and medicine.
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What are radioactive isotopes? For example, most Carbon has 6 protons and 6 neutrons, and is st … able. This is called Carbon12.   Carbon14 with 6 protons and 8 neutrons, is unstable and decays by releasing a beta particle from its nucleus to become a stable isotope, Nitrogen14. which has 7 protons and 7 neutrons. That refers to an isotope that is unstable-the atoms will decay after a while.
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- Elements with atomic numbers of 83 and less, have isotopes (stable nucleus) and most have at least one radioisotope (unstable nucleus). As a radioisotope tries to stabilize, it may transform into a new element in a process called transmutation. We will talk about transmutation in more detail a little later. Review: 1  Radioactivity is the release of energy and matter due to a change in the nucleus of an atom.
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- Some materials are radioactive because the nucleus of each atom is unstable and can decay, or split up, by giving out nuclear radiation in the form of alpha particles, beta particles or gamma rays. The nuclear radiation given off can be detected using a Geiger counter.
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- It is the radioactive nature of these unstable atoms, usually referred to as 'radioisotopes', which gives them so many applications in modern science and technology. Their radioactivity means that they can be used as a tag to follow the movement of some material incorporating them.