In quantum mechanics, when applied to an isolated atom, an allowed orbit can refer to the spacial path of an electron which satisfies the Schroedinger Equation. This allowed path can be interpreted as the balance between kinetic energy (electron motion) and potential energy (proximity to nucleus) which returns a single energy. In band theory of solids, allowed states are defined by the bragg diffraction condition, which is constructive or destructive interference based on wavelength. Since electrons can be regarded as a particle or wave, an electron with a certain momentum has a wavelength (classically defined as: p = mass x velocity, but de broglie relation: p = constant / wavelength). Since there is a set distance between atoms in a material, this spacing determines which wavelengths destructively interfere, or cannot propagate, throughout the material. This means that electrons at a certain kinetic energy (related to motion) cannot exist, given the position of atoms. It should be noted that the "allowed states" in multi-atomic systems are a continuous range (or "BAND") of kinetic energies that an electron can adopt in a material. As there are FEWER atoms that comprise the material, the BAND thickness of allowed states grows NARROWER. In the case of a SINGLE atom, the continuous range collapses to a single line, corresponding to ONE energy of an allowed orbital. References: http://en.wikipedia.org/wiki/Band_theory
The innermost orbit is designated as orbit 1.
The number of electrons per orbit in an atom is determined by the energy level of the orbit. Each orbit can hold a maximum number of electrons, with the first orbit holding up to 2 electrons, the second holding up to 8 electrons, the third holding up to 18 electrons, and so on.
Sodium has 1 electon in it's outer orbit, 8 in the second and 2 in the first.
The largest Bohr orbit of the uranium atom can hold up to 92 electrons, as uranium has 92 protons. Each orbit in an atom can hold a maximum number of electrons given by the formula 2n^2, where n is the principal quantum number of the orbit.
The speed of an electron in its orbit around the nucleus is approximately 2.18 million meters per second.
Electrons in Bohr's model of the atom
If this massage is applied as a kind of masturbation, then it is not allowed in Islam. Refer to question below.
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Eccentricity describes how much an orbit deviates from a perfect circle. It is a measure of how elongated or stretched out an orbit is, with lower values indicating a more circular orbit and higher values indicating a more elongated orbit.
No, the drinking age is applied nation wide.
The name of the path the earth takes around the sun is known as the orbit. The earth takes slightly over 365 to complete its revolution round the sun.
Ethics in education has been applied with a new standard for computers and the internet. Plagiarism now includes the use of information sites. Internet encyclopedia are not allowed.
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Ethics in education has been applied with a new standard for computers and the internet. Plagiarism now includes the use of information sites. Internet encyclopedia are not allowed.
Fecal matter can be allowed to compost and turn into soil. Or if it is manure (cow feces), it can be applied directly to crops.
That sketchy description could be applied to a planet, a satellite, a moon, an asteroid, a comet, a meteoroid, or even an electron.
It allowed points in space to be described algebraically. This allowed lines and curves to be described using algebra. Bringing together algebra and geometry meant that tools that mathematicians had developed for solving algebraic problems could be applied to problems in geometry and tools from geometry could be applied to algebra.