* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download III. Quantum Model of the Atom
Basil Hiley wikipedia , lookup
Quantum decoherence wikipedia , lookup
Renormalization group wikipedia , lookup
Delayed choice quantum eraser wikipedia , lookup
Wave function wikipedia , lookup
Scalar field theory wikipedia , lookup
Spin (physics) wikipedia , lookup
Atomic theory wikipedia , lookup
Renormalization wikipedia , lookup
Density matrix wikipedia , lookup
Measurement in quantum mechanics wikipedia , lookup
Bohr–Einstein debates wikipedia , lookup
Path integral formulation wikipedia , lookup
Quantum field theory wikipedia , lookup
Double-slit experiment wikipedia , lookup
Coherent states wikipedia , lookup
Probability amplitude wikipedia , lookup
Quantum dot wikipedia , lookup
Matter wave wikipedia , lookup
Quantum entanglement wikipedia , lookup
Copenhagen interpretation wikipedia , lookup
Quantum fiction wikipedia , lookup
Relativistic quantum mechanics wikipedia , lookup
Particle in a box wikipedia , lookup
Many-worlds interpretation wikipedia , lookup
Bell's theorem wikipedia , lookup
Wave–particle duality wikipedia , lookup
Quantum computing wikipedia , lookup
Orchestrated objective reduction wikipedia , lookup
Theoretical and experimental justification for the Schrödinger equation wikipedia , lookup
Quantum teleportation wikipedia , lookup
Quantum machine learning wikipedia , lookup
Quantum electrodynamics wikipedia , lookup
Quantum key distribution wikipedia , lookup
Quantum group wikipedia , lookup
Interpretations of quantum mechanics wikipedia , lookup
History of quantum field theory wikipedia , lookup
Symmetry in quantum mechanics wikipedia , lookup
Canonical quantization wikipedia , lookup
Atomic orbital wikipedia , lookup
Electron configuration wikipedia , lookup
EPR paradox wikipedia , lookup
Quantum cognition wikipedia , lookup
Quantum state wikipedia , lookup
Ch. 6.3 – Quantum Numbers Quantum Model of the Atom (p. 138-141) Read the text first Extra information for interested students Louis de Broglie (1924) Applied wave-particle theory to ee- exhibit wave properties QUANTIZED WAVELENGTHS A. Electrons as Waves QUANTIZED WAVELENGTHS A. Electrons as Waves EVIDENCE: DIFFRACTION PATTERNS VISIBLE LIGHT ELECTRONS Quantum Mechanics Heisenberg Uncertainty Principle Impossible to know both the velocity and position of an electron at the same time B. Quantum Mechanics Schrödinger Wave Equation (1926) finite # of solutions quantized energy levels defines probability of finding an eTake it easy, do not get shocked, we will cover this in Chemy 333, if you are a chemistry major student Ψ 1s 1 Z 3/2 σ π a0 e B. Quantum Mechanics Orbital (“electron cloud”) Region in space where there is 90% probability of finding an e- Orbital Radial Distribution Curve C. Quantum Numbers Four Quantum Numbers: Specify the “address” of each electron in an atom UPPER LEVEL C. Quantum Numbers 1. Principal Quantum Number ( n ) Energy level Size of the orbital n2 = # of orbitals in the energy level C. Quantum Numbers 2. Angular Momentum Quantum # ( l ) Energy sublevel Shape of the orbital s p d f C. Quantum Numbers n = # of sublevels per level n2 = # of orbitals per level Sublevel sets: 1 s, 3 p, 5 d, 7 f C. Quantum Numbers 3. Magnetic Quantum Number ( ml ) Orientation of orbital Specifies the exact orbital within each sublevel C. Quantum Numbers px py pz C. Quantum Numbers Orbitals combine to form a spherical shape. 2px 2py 2s 2pz C. Quantum Numbers 4. Spin Quantum Number ( ms ) Electron spin +½ or -½ An orbital can hold 2 electrons that spin in opposite directions. C. Quantum Numbers Pauli Exclusion Principle No two electrons in an atom can have the same 4 quantum numbers. Each e- has a unique “address”: 1. Principal # 2. Ang. Mom. # 3. Magnetic # 4. Spin # energy level sublevel (s,p,d,f) orbital electron Feeling overwhelmed? Read Section 6.3