Nuclear Physics
Most commonly known for its applications in nuclear energy and nuclear weapons, Nuclear Physics also has applications in medicine and archaeology. This category is for questions about the branch of physics that deals with the study of the forces, reactions, and internal structures of atomic nuclei, Nuclear Physics.
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wrote the first answer to How many protons electrons neutrons does pottasium have 26 May 2012 04:01
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added What daughter product remains after the alpha decay of polonium-212 to Nuclear Physics 25 May 2012 20:56
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removed Which of the following are isotopes of an element from Nuclear Physics 24 May 2012 08:45
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added What is the thermal conductivity of Refractories to Nuclear Physics 24 May 2012 05:43
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Eccles-Jordan TriggerX-Rays are a type of electromagnetic waves. and they play an important role in dentistry and orthopedic investigation. Many...
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Nuclear Fallout Survivors. The only three things that coould survive a nuclear holocaust or fallout would be cockroaches,...
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Subatomic particles are particles that are smaller than the atom. Protons, neutrons, and electrons are the three main subatomic...
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An electron has a mass of 9.109 X 10-31 kg, approximately 1⁄1840 the mass of a proton. However, the term mass number doesn't...
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Because light travels at different velocities, and various colors of light also travel at different speeds in optical media.
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AnswerIt is cerium that has chemical properties similar to those of throium. But there's something important we must consider....
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Fusion reactions can occur inside stars for two reasons... The temperature is extremely high, resulting in full ionization of...
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Breeder reactors convert fertile material, such as 92238U and 90232Th, into fissile material, such as 94239Pu and 92233U.
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singlet
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A prompt fission is a fission that results from the immediate interaction, i.e. a prompt interaction, from a preceding...
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There is insufficient information in the question to properly answer it. You did not provide the list of "which". Please restate...
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Antimatter Antimatter could be considered the opposite of "normal" matter. We know that the matter that is all around us and...
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Alpha particals, beta particles and gamma rays are all forms of nuclear radiation. They are produced in nuclear decay, which...
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Plutonium costs on average of $4,000 per gram, but there are severe restrictions on who can buy it, as you can imagine.
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Heavy ion fusion evaporation ,simply put is when a projectile beam is incident on a target. Creating a compound nucleus which is...
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Color in the traditional sense doesn't make much sense; an electron or a positron (anti-electron) is much, much smaller than the...
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There are two types of beta particles, β + and β -. β - are electrons, while β + are positrons (their antiparticles). The...
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Because alpha and beta particles do not have enough power to pass into the body, but they do more damage than gamma rays once...
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No, they spin within the nucleus.
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No.Fusion is the combining of light elements into heavier elements (like 2 deuterium into 1 helium).radioactive decay is when you...
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Aluminum-28 decays by beta- decay to Silicon-28 with a half-life of 2.414 minutes. 1328Al --> 1428Si + (W- --> e- + v-e)
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Single Nucleus The reason we don't see radium as a compound is because in radium (226Ra) where everything starts, all the protons...
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The alpha particle was discovered by Ernest Rutherford. For more details see the links below.
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Beta radiation is the name of the particle released in a type of nuclear decay called (naturally) beta decay. The radiation, the...
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The reactions that take place on the sun are nuclear fusion reactions. Stars are, after all, giant nuclear fusion engines. On our...
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discovery of the atom's structure
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A gamma ray is a photon that is emitted from the nucleus when the nucleus come down from an excited state that results from some...
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Gamma is not a decay process. It is a consequence of a decay process, but it, in itself, is not a decay process. It is the...
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Depends on the radiation you are talking about: Hot objects emit blackbody spectrum electromagnetic radiation. Ionized gasses...
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Nuclear decay is a quantum mechanical process, mediated by the weak and strong nuclear forces. All quantum mechanical processes...
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The half-life of an isotope is only useful in dating if the half-life is a reasonable fraction of the actual age. For example, a...
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An electron is the basic carrier of the negative electrostatic charge. It has an anti-matter equivalent (an anti-particle) called...
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The dees in a cyclotron need to be in a vacuum to keep the accelerated particles from slamming into atoms and molecules in air....
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seatbelts relate to newton's three laws because, if your in a accedent then the force of the crash would slang your body but if...
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The process is called radioactive decay, or sometimes nuclear decay. A link can be found below.
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When certain combinations of protons and neutrons form an atomic nucleus, there is the possibility that the nucleus may be...
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Fast neutrons are used already in nuclear reactors that called fast nuclear reactors and/or fast breeder reactors.
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No, you cannot stop a cosmic ray shower. You can block cosmic rays using various materials, but you cannot prevent them from...
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Strontium-90 has a half life of 28.8 years, and emits a beta particle with an energy of 0.546 MeV. Its decay product is...
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The equation for the beta decay of 244Am is:95244Am --> 96244Cm + -10ewith -10e representing the beta particle or electron.
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Nuclear fission
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The radius of a nucleus has quite a range completely dependent on the element or isotope under consideration. naturally, an...
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Amongst other uses, one in particular use is for the sterilization of an autoclave. Another use is "irradiation" of bad cells in...
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AnswerRadioactive means unstable, so any element that has an unstable nucleus is radioactive. This is especially true of...
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Cardiovascular scanning is the correct answer.echocardiogram
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The rate of decay of a radioactive element cannot be influenced by any physical or chemical change. It is a rather constant...
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It sure can. Basically, any element can be converted into any other element. However, it is way too expensive to do that in...
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The radiometric dating method for organic matter that most people know about is carbon dating, and this method is limited to...
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Positron
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A half-life, whether it is for radioactive elements or for medicine in your system, is the amount of time that the strength is...
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An alpha particle is made up of two protons and two neutrons; this is what a helium nucleus is made up of as well.
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Hot drinks will stay hotter, longer, in a white mug, because white does not radiate thermal energy as well as black does.
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Ionized particles; atoms or molecules with at least one electron moving more freely than the others that is not bound to that...
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32 years is 6.09 half-lives, so the amount that remains will be the inverse of 2 to the power of 6.09. 75 * 2^-6.09 = about 1.1...
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It is the energy converted to electricity in hydro-electric plants. Water (which is very dense-- one cubic meter weighs almost...
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http://wiki.answers.com/Q/What_is_Electric_quadrupole_moment"
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skills that a scientist have is observing before they try a test. scientists have skills knowing how to mix things without...
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The Bohr model of the atom is important because it better described the structure of these tiny particles we call atoms. Of...
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protons, electrons and neutrons generally
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The following formula can be used to calculate half-life (t1/2): t1/2 = (t ln 1/2)/(ln mf / mi) t = time that has passed mf = the...
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That means that some of the atoms will decay over time.
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No two physical objects can occupy the same point in space at the same point in time. therefore when they meet the result is a...
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There is no charge, it is Neutral "Neutron". There is your clue.
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very interesting question, we don't know why. however there are several lines of evidence from studying other particles in the...
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beta-
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AnswerRadioactive substances are frequently used as markers, which can help doctors trace the movement of some substance...
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AnswerPros No Carbon dioxide emissions contributing to global warming. Uranium safer to mine than coal (strip mining) Nuclear...
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Unless you are talking sub-atomic particles, the smallest part of matter is an atom. The smallest subatomic particle is the...
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Because radioactive decay happens at a constant rate. Once you figure out the rate of decay, called the half life, you can date...
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do·sim·e·try n. The accurate measurement of doses, especially of radiation. Source: http://www.answers.com
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An electron is an elementary particle, and is one of the family of particles called leptons. The leptons are a family of the...
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92 protons, 92 electrons and a variable number of neutrons (each isotope has a specific number of neutrons) - the number of...
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Neutrinos are very small, neutral particles. Being as such, they have very limited reactions with matter, and pass right through...
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The half-life of 238U is 4,468x109 years.
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No, ice emits thermal radiation. It just emits less than so called room temperature. You need to get down to absolute zero,...
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U-235 can fission by absorbing fast or slow neutrons, but it has a much larger cross section for slow ones, that is it absorbs...
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Alpha ratiation can be used in atomic batteries or for nuclear energy generation (though fission works much better for energy,...
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No. The sun produces energy by fusion. It is joining hydrogen atoms into larger helium atoms, which releases energy. Man-made...
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This force does not have a frequency, in that its strength changes over time. It simply changes over distance.
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nuclearpower production does not contribute any harmful gases to the atmosphere. no carbon, no acid, no sulfur. It is safe,...
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Matter- anything that takes up space and has mass Energy- the capacity to do work Matter Energy 1) Matter moves...
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AnswerNo, a radioactive substance does not remain radioactive forever. But we should dig a bit deeper and learn some things about...
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Shell structures predominantly resist loads on them by direct compression. That is without bending or flexure. Since most...
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Is the spontaneous disintegration of a nucleus into a slightly lighter nucleus, accompanied by emission of particles,...
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It causes transmutation. It has a mass of 4 amus.
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Ionizing radiation ionizes atoms. Alpha and beta particles do this because they are charged. Neutrons are not ionized, but when...
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Uranium-235 or Plutonium
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Short range force is the force responsible for maintaining the protons (positively charged particles) in the nucleus together...
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The only one we can be definite about is alpha: in alpha radiation, the nucleus emits a helium nucleus, which lowers the proton...
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Radioactive isotopes undergo what is known as radioactive decay (not to be confused with the organic decay that rotting food...
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Answer6.25
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Well i dont know ask a smart person.
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Neptunium is radioactive, so it's usage would be somewhere in that realm. It is most often found as a biproduct of nuclear...
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The term half-life is applied to the time it takes half of a sample of a radioactive substance to decay. It really is as simple...
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Nuclear physics research
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The Big Bang Theory was first postulated by the Father Georges Henri Joseph Édouard Lemaître, a Catholic priest from Belgium;...
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