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Chemistry Formulas And Periodic Table

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MCAT Chemistry Equation Sheet We?ve helped over 50,000 students get better grades since 1999! ORBITALS AND ELECTRONS Quantum numbers descriptions Quantum number Description Possible values Principal quantum number (n) energy level n=1, 2, 3?. Angular momentum quantum number (l) orbital shape (s, p, d, f) l = 0, to ?n- 1 Magnetic quantum number (m) orbital orientation (px, py, pz) m = -l to +l Spin quantum number (ms) describes spin of electron ms = + ? or - ? Each electron has a unique set of quantum numbers. ELECTRONIC CONFIGURATION Electron configuration: describes the location of all of the electrons in an element. e.g. Carbon = 1s22s22p2 Heisenberg Uncertainty Principle: the

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