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.
Total questions 13200
ID1114020074
wrote the first answer to How many protons electrons neutrons does pottasium have 26 May 2012 04:01
ID1092333300
added What daughter product remains after the alpha decay of polonium-212 to Nuclear Physics 25 May 2012 20:56
Dfoofnik (supervisor) [2549]
removed Which of the following are isotopes of an element from Nuclear Physics 24 May 2012 08:45
ID3410872019
added What is the thermal conductivity of Refractories to Nuclear Physics 24 May 2012 05:43
Apparently not. Electromagnetic radiation doesn't have an "anti-" form, and light from antimatter seems to be the same as light...
Popularity: 176 • Tools: Recategorize
A radioactive element is an element with an unstable nucleus, which radiates alpha, beta or gamma radiation and gets converted to...
Popularity: 149 • Tools: Recategorize
Because, like Alabama Man, alpha particles are big, strong, and active! An alpha particle is about 16,000 times more massive than...
Popularity: 146 • Tools: Recategorize
Radon has atomic number 86. That means it has 86 protons. The specific isotope doesn't matter. (It does matter if you want to...
Popularity: 145 • Tools: Recategorize
First it was discovered by Ernest Rutherford that atoms had an area of condensed positive charge in the centre, which he called...
Popularity: 143 • Tools: Recategorize
a star is a light-filled sphere of plasma, held together by gravity. Stars form when clouds of molecular gas collapse into a...
Popularity: 140 • Tools: Recategorize
high temperature high pressure a fuel that can undergo fusion
Popularity: 139 • Tools: Recategorize
All the neutrons in all the elements have the same mass and dimensions. The neutron mass is 1, 674 927 29.10-27 kg.
Popularity: 137 • Tools: Recategorize
Let's see. 1g = 1,000 mg 2g = 2,000 mghalf life of tritium is 12 years. How much will we have after 120 years?We now have 2,000...
Popularity: 136 • Tools: Recategorize
Hello, I have also been trying to research this answer. I have been unsuccessful in finding one, although I've almost come up...
Popularity: 135 • Tools: Recategorize
Americium was first obtained by Glenn T. Seaborg, Leon O. Morgan, Ralph A. James and Albert Ghiorso in 1944 (University of...
Popularity: 134 • Tools: Recategorize
A fast neutron will have an energy of around 1MeV. This equates to about 14 000 km/sec. The Deuterium - Tritium fusion produces...
Popularity: 134 • Tools: Recategorize
read Richard Rhodes book "the making of the atomic bomb" it has everything but the technical specifications on how (which are...
Popularity: 133 • Tools: Recategorize
-2, protons minus electrons equals charge. Neutrons are neutral, they have no charge.
Popularity: 133 • Tools: Recategorize
In all p sublevels there are 3 sublevels, including 6p.
Popularity: 131 • Tools: Recategorize
you don't. you make it in a cyclotron or reactor. it has no stable isotopes.
Popularity: 129 • Tools: Recategorize
It currently provides 19 percent of electricity in the US and a little less world-wide
Popularity: 129 • Tools: Recategorize
Yes. Examples: The hydrogen bomb and the creation of new elements.
Popularity: 129 • Tools: Recategorize
See http://en.wikipedia.org/wiki/Transuranic_elements and further links for details.
Popularity: 128 • Tools: Recategorize
No. Nuclear power should be encouraged. However, there have to be limits and controls because it is not appropriate for nuclear...
Popularity: 128 • Tools: Recategorize
Mutual annihilation is the term we usually apply in physics to the combining of a particle and its antiparticle. Under the...
Popularity: 128 • Tools: Recategorize
Sort of... The general tendency is for a larger atom to be less stable. Above a certain point (after lead) no stable atoms are...
Popularity: 126 • Tools: Recategorize
Heat from nuclear fusion produces massive amounts of energy. Thermal energy is usually associated with Light. The concept of heat...
Popularity: 126 • Tools: Recategorize
The stability of a nuclide depends on: the specific neutron/proton ratio that corresponds to a stable nucleus, and or the number...
Popularity: 123 • Tools: Recategorize
hydrogen gas+nucliotic. that's wat my teacha told me,but check in Google
Popularity: 122 • Tools: Recategorize
The term half-life refers to the period in which the radioactivity or number of atoms of a radioactive substance decreases by...
Popularity: 120 • Tools: Recategorize
I'm going to assume that you're wondering why they can travel through matter so easily, which is kind of a layman's term for...
Popularity: 120 • Tools: Recategorize
The loss of binding energy.
Popularity: 119 • Tools: Recategorize
Well, provided with enough energy, any atom can be a "reactant" of fission and fusion. We're usually concerned about atoms...
Popularity: 116 • Tools: Recategorize
235U with a 5% enrichment of 238U is generally used to fuel a controlled nuclear chain reaction. In a navy nuclear application,...
Popularity: 114 • Tools: Recategorize
Because their nuclei are unstable.
Popularity: 111 • Tools: Recategorize
There are several different isotopes of uranium, each with a different half-life. The two most commonly encountered isotopes are...
Popularity: 110 • Tools: Recategorize
The decay of an unstable atom by absorbing a wandering positron into the nucleus, converting a neutron into a proton. One...
Popularity: 109 • Tools: Recategorize
9kg of pure electron matter would consist of around 988,000,000,000,000,000,000,000,000,000 individual electrons. This represents...
Popularity: 107 • Tools: Recategorize
13Al24 -------> 14Si24 + e- This is, however, hypothetical neither Al-24 and Si-24 exist as isotopes of those elements.
Popularity: 107 • Tools: Recategorize
There is no isotope of Uranium 206 - Uranium 217 is the lightest
Popularity: 106 • Tools: Recategorize
If the objects are under free fall near the surface of the Earth, then they are under uniform acceleration due to gravity whose...
Popularity: 104 • Tools: Recategorize
Everything, so to speak, is nuclear powered, because everything ultimately gets its energy from the Sun, and the Sun's energy is...
Popularity: 104 • Tools: Recategorize
This has quite a few meanings, the most common is the starting velocity of an object. u is also somtimes used for kinetic...
Popularity: 101 • Tools: Recategorize
Fissionable material, that is, material with the ability to fission, occurs in some isotopes of heavy elements. The most useful...
Popularity: 98 • Tools: Recategorize
Wood oxidizes in much the same way that iron does. If it oxidizes fast enough, it burns.
Popularity: 88 • Tools: Recategorize
Radioactivity was discovered in 1896 by Henri Becquerel, a French scientist, while testing phosphorescent materials with...
Popularity: 88 • Tools: Recategorize
Yes, 1H (Hydrogen-1), the most common isotope of hydrogen has a single protons and no neutrons.
Popularity: 87 • Tools: Recategorize
The positron is another name for the anti-electron. Therefore, its antiparticle is the electron.
Popularity: 86 • Tools: Recategorize
Advantages: Almost 0 emissions (very low greenhouse gas emissions). They can be sited almost anywhere unlike oil which is mostly...
Popularity: 85 • Tools: Recategorize
No. Mercury-201, or 201Hg, is stable.
Popularity: 83 • Tools: Recategorize
Argon is electrically complete, in the outer electron shell, making it electro-chemically stable. Placing an electric potential...
Popularity: 82 • Tools: Recategorize
The half life of the most important isotope (239Pu) is 24 200 years. For the half lives of the other isotopes see the link below.
Popularity: 82 • Tools: Recategorize
a small land mammal such as a rat mouse ferret mole ect.
Popularity: 80 • Tools: Recategorize
Bremstrahlung is German for "braking radiation." It refers to radiation that is associated with the positive or negative...
Popularity: 80 • Tools: Recategorize
In general, all atoms are radioactive when they have nuclear configurations that are unstable. You'll recall that the nucleus of...
Popularity: 78 • Tools: Recategorize
The strong nuclear force affects matter by "building" it. Matter as we generally know it is composed of atoms. Atoms are built...
Popularity: 77 • Tools: Recategorize
An isotope of an element is simply an element with the same number of protons, but with a different number of neutrons. Since the...
Popularity: 76 • Tools: Recategorize
All elements except hydrogen are created by nucleosynthesis.
Popularity: 76 • Tools: Recategorize
It would be found in a nuclear physics lab. It does not occur in nature, is manmade, and only a very tiny amount of it has ever...
Popularity: 76 • Tools: Recategorize
Nuclear reactors can be as small as a single room. There are many reactors that are less then 30 MW (a typical reactor is around...
Popularity: 75 • Tools: Recategorize
The uncharged nucleon is the neutron. We use the term nucleon to refer to the particles that make up an atomic nucleus. These you...
Popularity: 75 • Tools: Recategorize
For example, from neptunium-239 is obtained plutonium-239.
Popularity: 74 • Tools: Recategorize
Alpha particles have an atomic mass number of 4, and a charge of +2. As a result, they are the heaviest and most charged of all...
Popularity: 73 • Tools: Recategorize
Because the daughter isotope eventually reaches a stable state.
Popularity: 72 • Tools: Recategorize
Rutherfordium was first time obtained by Gheorghi Nikolaevici Flerov, Iuri Ţolakovici Ohanessian, Iuri V. Lobanov, V. I....
Popularity: 71 • Tools: Recategorize
Uranium-237 decays by beta- decay to Neptunium-237 with a half-life of 6.75 days, emitting a W- boson which then decays to an...
Popularity: 71 • Tools: Recategorize
No, quarks are not nucleons. A nucleon is a term (in physics) that is given to either of the two component particles of an atomic...
Popularity: 71 • Tools: Recategorize
atomic mass is the number of protons in an atom mass number is the number of protons plus neutrons in an atom
Popularity: 70 • Tools: Recategorize
Yes, Gravitons are hypothetical sub-atomic particles / gauge bosons. These bosons are predicted to behave similarly to photons,...
Popularity: 70 • Tools: Recategorize
One part of a beta- particle. The other part is an electron antineutrino
Popularity: 70 • Tools: Recategorize
No. Beta particles are electrons or positrons that are emitted from the nucleus. They do not come from the electron cloud. In...
Popularity: 68 • Tools: Recategorize
No, whenever an atom emits a positron its atomic number is decreases by one unit (because a proton is converted into a neutron...
Popularity: 68 • Tools: Recategorize
Any element greater in atomic number than lead, and any element with a non-stable ratio of neutrons and protons.
Popularity: 68 • Tools: Recategorize
We do not currently have the technical knowledge to produce controlled fusion reactors on a scale large enough to produce power....
Popularity: 67 • Tools: Recategorize
It detects the ions that are produced when radiation passes through an enclosed sample of gas.
Popularity: 66 • Tools: Recategorize
E=MC2 When energy gets to a certain level, it creates a particle and an antiparticle, and this process is called pair production...
Popularity: 66 • Tools: Recategorize
A cyclotron is a type of particle accelerator used in nuclear physics and nuclear medicine. A cyclotron operator is a specialist...
Popularity: 66 • Tools: Recategorize
AT = A0 2(-T/H) Where A0 is starting activity, AT is activity at some time T, and H is half-life in units of T.
Popularity: 66 • Tools: Recategorize
The diameter of the atomic nucleus is between 1,75.10-15 m and 15.10-15 m, depending on the chemical element.
Popularity: 65 • Tools: Recategorize
In one of them a positron is emitted. In the other an electron is captured. Since positrons are the antiparticles of electrons,...
Popularity: 65 • Tools: Recategorize
Neutrons in a nuclear fission chain reaction must be controlled for two reasons... First, they must be moderated, or "slowed...
Popularity: 64 • Tools: Recategorize
As far as we know the electron. quarks
Popularity: 63 • Tools: Recategorize
There are two types of beta decay, beta- and beta+. In beta- decay, the weak interaction causes a quark to change from down to...
Popularity: 62 • Tools: Recategorize
In fact, they were.
Popularity: 61 • Tools: Recategorize
Uranium-238, or more properly 92238U, is naturally radioactive. (It does not "become" radioactive.) Radioactivity of an isotope...
Popularity: 61 • Tools: Recategorize
Neutrinos are created in Beta - and Beta + radioactive decay reactions. They are massless, chargeless particles and are extremely...
Popularity: 60 • Tools: Recategorize
Fusion, in general, is the joining of light atomic nuclei to form heavier ones. The simplest form of fusion is the fusing of...
Popularity: 55 • Tools: Recategorize
The theoretical Higgs boson would have zero spin. The neutral and charged pions also have zero spin. Two entangled particles,...
Popularity: 55 • Tools: Recategorize
So that their on the job radiation dosage can be tracked. This is required of their employer by law. If they get a minor over...
Popularity: 55 • Tools: Recategorize
Any of several things, depending on the energy of the neutron, some are: 1eV neutron, not absorbed. 1MeV neutron, absorbed...
Popularity: 52 • Tools: Recategorize
Simple explanation:Conventional bombs explode as a result of chemical reactions, but the atoms themselves that make up the...
Popularity: 51 • Tools: Recategorize
Uranium-238 does not decay by beta decay. It decays by alpha decay.
Popularity: 51 • Tools: Recategorize
In the Geiger-Marsden gold foil experiment, a stream of alpha particles were fired at a sheet of gold foil, one atom thick. This...
Popularity: 50 • Tools: Recategorize
Atoms are made up of protons, neutrons, and electrons. The protons and neutrons are found together in the core of the atom,...
Popularity: 49 • Tools: Recategorize
No. Nitrogen is not naturally radioactive.
Popularity: 49 • Tools: Recategorize
It is Fissured, or Split, into usually two smaller Atoms. This is concurrent with a vast release of Energy. {In E=mc squared - c...
Popularity: 48 • Tools: Recategorize
0, gamma particle are high energy photons.
Popularity: 48 • Tools: Recategorize
Isotopes Isotope is the word we use to talk about two different forms of the same element that have different numbers of neutrons...
Popularity: 47 • Tools: Recategorize