atomicstructure11/22
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Aufbau's Principle | Electrons occupy orbitals of lower energy level first.
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| Pauli Exclusion Principle | An orbital can hold only two electrons and they must have opposite spin.
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| Hund's Rule | Every orbital in a subshell is singly occupied with one electron before any one orbital is doubly occupied and all electrons in singly occupied orbitals have the same spin.
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| Diagonal Rule (Steps for electron configuration) | 1. Write the energy levels from top to bottom. 2. Write the orbitals in "s, p, d, f" order, write the same number of orbitals as the energy level. 3. Draw diagonal lines from top right to the bottom left.
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| Standard Notation of Electron Configuration | Writing the whole configuration out. For example for the element Flourine: 1s²2s²2p⁵
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| Shorthand Notation of Electron Configuration | Using the last noble gas located in the periodic table right before the element, and substitute it in and write the noble gas in brackets. For example the element Flourine: [He] 2p²2p⁵
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To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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sblchem
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