20357016
Beschreibung
Karteikarten von kadyn drummond, aktualisiert more than 1 year ago
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Erstellt von kadyn drummond
vor fast 5 Jahre
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| Frage | Antworten |
| Quantum Numbers | a set of four numbers used to describe the position/ energy of an electron in an atom |
| Principle Quantum Number (n) | denotes the mainshell location of an electron |
| The number of mainshells in an atom is the same as the number of | the period in which the element is located on the periodic table |
| The maximum number of mainshells for the known elements | 7- the same as the number of periods on the periodic table |
| The formula used to calculate the possible number of electrons in a given mainshell | 2n^2 |
| The maximum number of valence electrons | 8 (octet) |
| When using letter designation for mainshells start with | K and continue through the alphabet |
| Angular Momentum Quantum Number (l) | indicates the sublevel in which the electron is located |
| Sublevel numbers have integral values from | 0 to n-1 |
| The number of sublevels possible in a mainshell is equal to | the mainshell number |
| The greatest number of sublevels in any mainshell is | 4 (s, p, d, and f) the letters come from mathematical terms |
| Sublevels correspond to | blocks on the periodic table |
| Sublevel numbers with sublevel letter designations | 0 s 1 p 2 d 3 f |
| Sublevel letter designation with their maximum number of electrons | s 2 p 6 d 10 f 14 |
| The number of electrons in a sublevel corresponds to | the number of vertical columns in the respective block on the periodic table |
| Magnetic Quantum Number (ml) | indicates the orbital in which the electron is located |
| Orbital | region of space defined by a wave function that can hold two electrons |
| The magnetic quantum number integral values | (-l...0...l) |
| The number of orbitals in a sublevel is | half the number of electrons in the sublevel because each orbital can hold 2 electrons |
| Shape of the p orbital | Dumbbell |
| Shape of the s orbital | Sphere |
| Spin Quantum Number (s) | indicates the direction of spin of the electron |
| Electrons spin in an orbital because | they have a like charge and are in a small space, so they would spin due to repulsion |
| The possible values for the spin | +1/2 and -1/2 |
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