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5 Cards in this Set

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  • Back
What does paramagnetic and diamagnetic describe in regards to an atom?
They describe whether or not the atoms valence orbital(s) is filled or unfilled
Define isoelectric. give an example.
Atoms, ions, or molecules with the same # of electrons. One of which must be an ion. I.e. 02- and Na+
What is the difference between Hund's rule and Aufbau's principle?
Hund's rule states that there must be one electron in each orbital of a given energy level before any pairs of electrons are formed. Aufbau's principle just states that each energy level must be filled prior to the next.
What three common rules can be followed when dealing with solubility.
1. all salts of alkali metals are water soluble.
2. all nitrates are water soluble.
3. all salts of the ammonium ion (NH4+) are water soluble.
What molecules are insoluble most of the time and in what cases do they become soluble?
Carbonates (CO32-), Phosphates (PO43-), Sulfides (S2-) and Sulfites (SO32-) are always insoluble.
*UNLESS COMPLEXED WITH ALKALI METALS OR AMMONIUM*