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Topic: Magnetic quantum number

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Quantum number

Azimuthal quantum number

Spin quantum number

Energy level

Quantum mechanics

Hydrogen atom

Atomic orbital

Principal quantum number

Atom

Bohr model

Electron orbital

Lyman series

Molecular orbital

Coordinate covalent bond

Niels Bohr

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	Hydrogen Schrodinger Equation
		The expression of the separation constant in terms of this quantum number affects the form of the colatitude equation.
		While the azimuthal dependence of the wavefunction only requires the quantum number to be an integer, the coupling to the colatitude equation further constrains that integer to be less than or equal to the orbital quantum number.
		It is called the magnetic quantum number because the application of an external magnetic field causes a splitting of spectral lines called the Zeeman effect.
	hyperphysics.phy-astr.gsu.edu /hbase/quantum/hydazi.html (460 words)

	Magnetic quantum number - Wikipedia, the free encyclopedia
		In atomic physics, the magnetic quantum number is the third of a set of quantum numbers (the principal quantum number, the azimuthal quantum number, the magnetic quantum number, and the spin quantum number) which describe the unique quantum state of an electron and is designated by the letter m.
		The quantum number m refers, loosely, to the direction of the angular momentum vector.
		The magnetic quantum number determines the energy shift of an atomic orbital due to an external magnetic field, hence the name magnetic quantum number (Zeeman effect).
	en.wikipedia.org /wiki/Magnetic_quantum_number (551 words)

	Quantum Numbers and Electron Configurations
		It forces the number of subshells in a shell to be equal to the principal quantum number for the shell.
		The number of orbitals in a shell is the square of the principal quantum number: 1
		The number of orbitals in a subshell is therefore 2(l) + 1.
	chemed.chem.purdue.edu /genchem/topicreview/bp/ch6/quantum.html (2581 words)

	Duran: Chapter Nine Quantum Numbers and the Wave Mechanical Model of the Atom (Site not responding. Last check: 2007-10-21)
		The orbital quantum number, l, (or angular momentum quantum number) cannot be larger than n-1, but can be zero or a positive integer.
		The quantum number l determines the geometric shape of the orbital.
		Spin is an intrinsic quantum number, which causes electrons to behave as if they are spinning on their axis, generating a magnetic field.
	www.chem.ufl.edu /~chm2040/Notes/Chapter_9/quantum.html (407 words)

	Modern Theory of Atomic Structure, page 2
		The Magnetic Quantum Number is the third quantum number.
		The Magnetic quantum number is used to designate the number of orientations of the various types of orbitals on the three-dimensional axis system.
		Quantum Numbers are terms which were developed to aid in describing electron behavior according to the Schrodinger Wave Equation.
	www.bcpl.net /~kdrews/mtas/modern2.html (1095 words)

	Azimuthal quantum number - Wikipedia, the free encyclopedia
		The Azimuthal quantum number (or orbital/total angular momentum quantum number) symbolized as l (lower-case L) is a quantum number for an atomic orbital which determines its orbital angular momentum.
		The azimuthal quantum number is the second of a set of quantum numbers (the principal quantum number, following Spectroscopic notation, the azimuthal quantum number, the magnetic quantum number, and the spin quantum number) which describe the unique quantum state of an electron and is designated by the letter l.
		The Bohr model was derived as was all of quantum theory from spectroscopic analysis of the atom in combination with the Rutherford atom.
	en.wikipedia.org /wiki/Azimuthal_quantum_number (1012 words)

	Quantum Numbers (Site not responding. Last check: 2007-10-21)
		model was a one-dimensional model that used one quantum number to describe the electrons in the atom.
		Quantum Chemistry: Describes the way atoms combine to form molecules and the way molecules interact with one another, using the rules of quantum physics.
		One of the key insights in quantum chemistry is that, because an electron is not a classical particle located at a definite point in space, even a single electron can "surround" the nucleus of an atom, filling a volume roughly as big as the whole atom.
	www.howe.k12.ok.us /~jimaskew/cquantum.htm (955 words)

	ACTIVITY LEARNING QUANTUM NUMBERS AND THEIR RELATIONSHIPS (Site not responding. Last check: 2007-10-21)
		To explain the arrangement of electrons in an atom, quantum numbers are used.
		Quantum numbers are identified as principal, orbital, magnetic, and spin.
		Each orbital is described by a number symbolizing the principal quantum number and a letter symbolizing the orbital quantum number.
	www.unco.edu /chemquest/3con11w.htm (626 words)

	Atoms and the Periodic Table
		Furthermore, unlike all classical magnetic fields which are the result of the movement of charge, due to its spin the electron carries a magnetic field even when it is not in motion, and hence is an example of a quantum mechanical source of magnetic fields without the motion of any charge.
		An atom is determined by the number of protons in the nucleus.
		To empirically verify the energy levels and angular momentum states occupied by the electrons of an arbitrary atom, the spectral lines for the atom are determined in a manner similar to the one discussed in the case of the hydrogen atom.
	srikant.org /core/node13.html (5402 words)

	quantum number (Site not responding. Last check: 2007-10-21)
		is exemplified: for a particle confined in one dimension between parallel plates, by the one quantum number
		is exemplified: for a particle that is confined in three dimensions in a cube, by the three quantum numbers
		most usually is: a number (or one of a set of such numbers) specifying a particular energy eigenfunction (spatial wavefunction) and the corresponding energy eigenvalue (energy level) of the confined particle.
	www.rdg.ac.uk /physicsnet/units/flap/glossary/QQ/QUANNUMB.HTM (143 words)

	Electron Configuration
		Or, the secondary quantum number gives the shape of the orbital so the analogy can be made to the shape of the computer with larger values associated with computers with more components.
		The final quantum number is the spin quantum number, it describes the spin orientation of an electron.
		The number of electrons in an atom of an element is given by the atomic number of that element.
	library.thinkquest.org /10429/high/eleconfig/electron.htm (812 words)

	Quantized Angular Momentum
		It is a characteristic of angular momenta in quantum mechanics that the magnitude of the angular momentum in terms of the orbital quantum number is of the form
		This kind of coupling gives an even number of angular momentum levels, which is consistent with the multiplets seen in anomalous Zeeman effects such as that of sodium.
		This quantum number is used to characterize the splitting of atomic energy levels, such as the spin-orbit splitting which leads to the sodium doublet.
	hyperphysics.phy-astr.gsu.edu /hbase/quantum/qangm.html (343 words)

	Chemistry : Chapter 3 : Overview (Site not responding. Last check: 2007-10-21)
		For each quantum number there is a set of possible values and each quantum number describes some aspect of the electron and its orbital.
		The first quantum number is called the principal quantum number and is represented by n.
		The next quantum number is the angular momentum quantum number, which has the symbol of l.
	www.wwnorton.com /chemistry/overview/ch3.htm (2305 words)

	QUANTUM NUMBERS-PRINCIPLE QUANTUM NUMBER-AZIMUTHAL QUANTUM NUMBER-MAGNETIC QUANTUM NUMBER-SPIN QUANTUM NUMBER
		These constant numbers are necessary to describe the position, spin, energy and orientation of an orbital in space.
		The values of principle quantum number are from 1 to n (where n is a positive whole number i.e.
		Magnetic quantum number indicates the orientation of an orbital in space in an applied magnetic field.
	www.citycollegiate.com /atomic_structureXIa.htm (174 words)

	esm_walker_physics_2\|Atomic Physics\|Reference Tools & Resources
		atomic number the number of protons in the nucleus of an atom
		The magnitude of the orbital angular momentum from the associated quantum number.
		The magnetic quantum number specifies one component of the orbital angular momentum.
	wps.prenhall.com /esm_walker_physics_2/0,7966,804967-,00.html (449 words)

	Re: Quantum numbers (Site not responding. Last check: 2007-10-21)
		thoses are called the principal quantum number, adn the scenodary quantum number, the magnetic quantum number, and the spin magnetic number.
		the quantum number n is called the priciple quantum number.
		the spin magnetic numberr, Ms it is used to indicate the orientation of the two electrons in each orbital.
	vclass.mtsac.edu:920 /chem1a/_disc7/00000077.htm (336 words)

	The Net Equation: Your Online Source for Chemistry Solutions
		n is called the principle quantum number; it describes how far away from the nucleus the electron shell under consideration is. The larger the value of n, the farther away the shell is; since shells are concentric, farther shells are also larger.
		l is the angular momentum quantum number, and it describes the shape of the subshell (each electron shell except n=1 is composed of several subshells).
		Before the quantum number system was instituted, subshells were referred to with letters: 0 was s, 1 was p, 2 was d, 3 was f, 4 was g, and so on.
	library.thinkquest.org /C004970/atoms/orbital.htm (1458 words)

	Many-Electron Atoms - Problems
		The number of quantized components of angular momentum is related to the angular momentum quantum number by the expression (2l + 1) for orbital momentum or (2s + 1) for spin momentum.
		Recall that the magnetic quantum number m governing the components of angular momentum assumes values from l to — l in steps of unity or from s to — s in the case of spin angular momentum.
		When a transition metal ion is place in solution, its magnetic moment generally changes from the value it had in the gas phase, indicating that the number of unpaired electron spins is different in the gas and solution phases.
	www.chemistry.mcmaster.ca /esam/Chapter_4/problems.html (883 words)

	Chemistry : Chapter 3 : Quantum Numbers (Site not responding. Last check: 2007-10-21)
		There are four things you need to know about each quantum number: (1) its name and symbol, (2) the acceptable/possible values of the number, (3) what the number says about the energy of the electron, and (4) what the number says about what the electron is doing.
		That is electrons D and E. The distance from the nucleus is determined by the n quantum number.
		The larger the number, the further from the nucleus.
	www.wwnorton.com /chemistry/concepts/chapter3/ch3_2.htm (1044 words)

	The quantum mechanical view of the atom
		The Bohr model of the atom involves a single quantum number, the integer n that appears in the expression for the energy of an electron in an orbit.
		These are known as the principal quantum number, the orbital quantum number, the magnetic quantum number, and the spin quantum number.
		This quantum number is also an integer; it can be positive or negative, but it has a magnitude less than or equal to the orbital quantum number.
	physics.bu.edu /py106/notes/PeriodicTable.html (1307 words)

	Principles of Magnetic Resonance Imaging
		The process of detecting metabolites by NMR is known as magnetic resonance spectroscopy (MRS) and the first MR spectrum of a human tumour was obtained by Griffiths et al.
		In quantum mechanics spin is represented by a magnetic spin quantum number.
		The magnetic moments or spins are constrained to adopt one of two orientations with respect to B0, denoted parallel and anti-parallel.
	www.easymeasure.co.uk /principlesmri.aspx (4001 words)

	Quantum Mechanics #1 (Site not responding. Last check: 2007-10-21)
		Quantum mechanics is one of the pillars of 20th century physics.
		Magnetic lenses (instead of optical lenses) bend the paths of the electrons (instead of path of light) and focus them to produce an “image”.
		When the H-atom is placed in a magnetic field, then the energy does depend on the magnetic quantum number ml as shown in the fugure.
	physics.usc.edu /~bars/135/LectureNotes/QuantumMechanics.htm (2468 words)

	What is the Zeeman effect?
		The separation of these quantum states into three different energy levels results in 3 different excitation states with slightly different energies that give rise to three spectral lines of slightly different energy (one of the same energy as the original spectral line, one more energetic, and one less energetic) upon relaxation of the atom.
		In a magnetic field the energy of a particular atomic stat depends on the value of m,magnetic quantum number,.
		A state of total quantum number n breaks up into several substates when the atom is in the magnetic field,and their energies are slightly more or slightly less than the energy of state in the absence of magnetic field.
	www.physlink.com /Education/AskExperts/ae646.cfm (631 words)

	fUSION Anomaly. Wolfgang Pauli
		quantum mechanical model of the atom, electrons are limited by four values called quantum numbers that describe the atom mathematically.
		The principal quantum number defines the principal shell (energy state) of an electron.
		The magnetic quantum number describes the magnetic orientation of the orbital plane of an electron.
	fusionanomaly.net /wolfgangpauli.html (603 words)

	Help; physics problem on a chemistry test!
		Azimuthal quantum number defines how much angular momentum (amount of momentum around an axis) that an electron has and takes on any value above zero and between n-1 (In this case n=3, therefore, azimuthal, or orbital, quantum number takes on 0,1, and 2).
		Magnetic quantum number is another number related to azimuthal that defines the direction of an electron's angular momentum.
		So, this is an explanation for what quantum numbers actually are...to figure out what the numbers are use the laws I gave.
	www.physicsforums.com /showthread.php?threadid=135160 (441 words)

	Nuclear Magnetic Resonance (NMR)
		The practical uses for this phenomenon are for determining the value of nuclear magnetic moments by comparison with the proton, the measurement of magnetic fields, and most recently for medical diagnostics.
		The magnet has been modified and adjusted to produce a highly homogeneous magnetic field over a relatively large volume (~1.5 cm^3) at the center of the gap.
		Observe the behavior of the pattern as the RF level is varied, as frequency is varied, as the DC magnetic field is varied slightly, as the RF coil is moved away from the center of the gap, and as the modulating field amplitude and frequency are varied.
	www.its.caltech.edu /~derose/labs/exp5.html (2248 words)

	ChemTeam: Quantum Numbers
		There are four quantum numbers; their symbols are n, l, m and s.
		The first of these is the quantum number signified by 'l.' When Sommerfeld started this work, he used n' (n prime), but he shifted it to 'l' after some years.
		The Spin Quantum Number (signified by the letter 's'): spin is a property of electrons that is not related to a sphere spinning.
	dbhs.wvusd.k12.ca.us /webdocs/Electrons/QuantumNumbers.html (921 words)

	Quantum Mechanics in Three dimension (Site not responding. Last check: 2007-10-21)
		The motion of an electron in a central field is one of the principal problems in the quantum mechanics of the atom.
		In the spectrscopic notation the principal quantum number n are said to form a
		quantum numbers for the first four shells are given in the table below.
	physics.berea.edu /~king/Teaching/ModPhys/QM/Quantum3d.htm (1770 words)

	Chemistry Lesson 1-8 Instruction, last page
		The Azimuthal Quantum Number (l) describes the shape of the subshell orbital.
		The Magnetic Quantum Number (m) describes the orientation of the orbital in relation to an arbitrary grid.
		The Spin Quantum Number (s) describes the orientation of the electron in the orbital.
	www.etap.org /demo/chem1/instructiontutor_last.html (1167 words)

	ATOMIC PHYSICS
		Assuming circular orbits and a Coulomb force of attraction between electron and proton, the energies of the quantum states for hydrogen are
		Bohr’s correspondence principal states that quantum mechanics is in agreement with classical physics when the quantum numbers for a system are very large.
		Characteristic x-rays are produced when a bombarding electron collides with an electron in an inner shell of an atom with sufficient energy to remove the electron from the atom.
	members.tripod.com /skana/physik/atomic.htm (308 words)

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