Chapter 4 of chemistry live
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 spilt into simpler substances chamically
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| Triad | A group of 3 elements with similar chemical properties. the atomic weight of 1 is almost equal to the average of other 2
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| Newlands' Octaves | A group elements arranged in order of atomic weight. the 1st and 8th have similar properties
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| Mendeleev's Periodic Law | The elements are arranged in increasing atomic weight.The properties vary periodically.
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| Atomic Number | The number of protons in the nucleus of an atom
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| Atomic Mass Number | The amount of protons and neutrons in an atom
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| Isotopes | Variations of atoms with the same atomic number but different mass number.
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| Aubfau Priciple | When building electronic configurations, the electron will occupy the lowest energy level
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| Hunds Rule of Maximum Multiplicity | When 2 or more orbitals of equal energy are available, electrons will fill in singly before in pairs.
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| Pauli Exclusion Principle | No more then 2 electrons can fill an orbital and they must have opposite 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.
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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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