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14 Cards in this Set
- Front
- Back
Who discovered the Method of determining atomic mass?
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Cannizzaro
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Who Pulled Rare earth elements out of the main table
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Seaborg
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Given credit for determiningthe first periodic table, arranged elements based on increasing atomic mass
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Mendelem
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Arranged the elements according to increasing number of protons or atomic numbers
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Mosley
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Discovered most of the noble gasses
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Ramsay
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Negative ion
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Anion
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Positive ion
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Cation
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Bonded atoms that has a positive or negative charge
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ion
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Energy required to remove electrons from a neutral atom
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ionization energy
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Determines the measure of a atom to determine the ability of a bond
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electronegativity
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Electron acquired by a neutral atom is called a
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Electron afinity
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VESPER
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valence shell electron pair repulsion
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Degrees of electon replusion
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1.Greatest between a pair of un bonded electrons
2.second degree is between a pair of bonded and a pair of unbonded 3.Least replusion between 2 pairs of bonded electrons |
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Ionic
Polar covalent Non polar covalent |
> 1.5 75%
1.5-0.3 50%-5% .3- <5% |