Periodic Table
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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| Element | a substance that cannot be split into simpler substances by chemical means
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| Triad | a group of three elements with similar chemical properties in which the atomic weight of the middle element is approximately equal to the average of the other two
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| Newlands' Octaves | groups of elements arranged in order of increasing atomic weight, in which the 1st and 8th element of each group have similar properties
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| Mendeleec's Periodic Law | when elements are arranged in order of increasing atomic weight, the properties of the elements vary periodically
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| Modern Periodic Table | an arrangement of elements in order of increasing atomic number
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| Isotopes | atoms of the same element that have the same atomic number but different mass numbers
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| Aufbau Principle | when building the electronic configuration of an atom in its ground state, the electrons occupy the lowest available energy level
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| Hund's Rule of Maximum Multiplicity | when two or more orbitals of equal energy are available, the electrons occupy them singly before filling them in pairs
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| Pauli Exclusion Principle | no more than two electrons may occupy an orbital and they must have opposit spin
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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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Created by:
OscarE
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