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15 Cards in this Set
- Front
- Back
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The product of the wavelength (λ) and frequency (ν) of electromagnetic radiation is equal to the speed of light (c). |
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Electron configuration exceptions |
Cr, Mo, W Cu, Ag, Au
They prefer half filled valence shells.
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How to form transition metal ions |
Transition metal ions form only cations
Take electrons away from s orbital first
Ex.:
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I ****** Claire's hymen and breasts |
I=1 bond Iodine (I) Flouirine (F) Chlorine (Cl) Hydrogen (H) Bromine (Br) |
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Electronegativity |
The measure of the ability of an atom in a molecule to attract electrons to itself. |
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Polar covalent bond |
A bond in which the two atoms have partial electrostatic charges |
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Principle of electroneutrality |
Electrons will be distributed in such a way that the charges on all atoms are as close to zero as possible. Second, if a negative charge is present, it should reside on the most electronegative atoms. Similarly, positive charges are expected on the least electronegative atoms. |
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Molecular polarity |
In a polar molecule, electron density accumulates toward one side of the molecule, giving that side a partial negative charge (δ−), and leaving the other side with an equal but positive partial charge (δ+). |
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Stronger nucleus electron attraction means... |
Electron is at lower energy |
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The higher the effective nuclear charge... |
The lower the electron's energy |
