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  2. Slater's rules - Wikipedia

    en.wikipedia.org/wiki/Slater's_rules

    If the group is of the [ns, np] type, an amount of 0.85 from each electron with principal quantum number (n–1), and an amount of 1.00 for each electron with principal quantum number (n–2) or less. If the group is of the [d] or [f], type, an amount of 1.00 for each electron "closer" to the nucleus than the group.

  3. Fibonacci sequence - Wikipedia

    en.wikipedia.org/wiki/Fibonacci_sequence

    A bijection with the sums to n is to replace 1 with 0 and 2 with 11. The number of binary strings of length n without an even number of consecutive 0 s or 1 s is 2F n. For example, out of the 16 binary strings of length 4, there are 2F 4 = 6 without an even number of consecutive 0 s or 1 s—they are 0001, 0111, 0101, 1000, 1010, 1110. There is ...

  4. Spin quantum number - Wikipedia

    en.wikipedia.org/wiki/Spin_quantum_number

    [1] [2] The value of m s is the component of spin angular momentum, in units of the reduced Planck constant ħ, parallel to a given direction (conventionally labelled the z –axis). It can take values ranging from + s to − s in integer increments. For an electron, m s can be either ⁠+ + 1 / 2 ⁠ or ⁠− + 1 / 2 ⁠.

  5. ß - Wikipedia

    en.wikipedia.org/wiki/ß

    The character's Unicode names in English are double s, [1] sharp s [2] and eszett. [2] The Eszett letter is currently used only in German , and can be typographically replaced with the double-s digraph ss , if the ß-character is unavailable.

  6. Peano axioms - Wikipedia

    en.wikipedia.org/wiki/Peano_axioms

    Axioms 1, 6, 7, 8 define a unary representation of the intuitive notion of natural numbers: the number 1 can be defined as S(0), 2 as S(S(0)), etc. However, considering the notion of natural numbers as being defined by these axioms, axioms 1, 6, 7, 8 do not imply that the successor function generates all the natural numbers different from 0.

  7. AOL Mail

    mail.aol.com/?icid=aol.com-nav

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Spin (physics) - Wikipedia

    en.wikipedia.org/wiki/Spin_(physics)

    One can see that there are 2s + 1 possible values of s z. The number "2s + 1" is the multiplicity of the spin system. For example, there are only two possible values for a spin-⁠ 1 / 2 ⁠ particle: s z = + ⁠ 1 / 2 ⁠ and s z = − ⁠ 1 / 2 ⁠.

  9. 30 Baffling Unsolved True Crime Cases That Are Not For The ...

    www.aol.com/left-screaming-detectives-60-true...

    Image credits: usedTP #5. The case of Joshua Maddox. In 2008 Joshua Maddox left his house to go for a walk and never returned. 7 years later in 2015, his body was found in the chimney of a cabin ...