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31 Cards in this Set
- Front
- Back
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A horizontal row of elements |
Period |
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Whose periodic law is considered the current Periodic law? |
Moseley's |
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Elements are arranged in vertical columns known as... |
Groups |
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Which group is also known as the alkali metal group? |
1 |
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Tend to have their own atoms sometimes losing sometimes gaining electrons during chemical change and are generally found in groups 14-16 |
Metalloids |
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Belong to their own category since their atoms tend neither to lose it gain electrons |
Noble gases |
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The energy required to remove an electron from an atom |
Ionization potential |
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The ionization exhibits periodicity as you proceed to the left along a horizontal row called a period by.. |
Decreasing |
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As you proceed downward in a group the nuclear charge is |
Increasing |
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Half the distance between the centers of two atoms of that element that are just touching each other |
Atomic radius |
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Generally across a period in the periodic table from left to right the atomic radius |
Decreases |
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The energy required to remove one electron from one parent atom |
First ionization energy |
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Reflects the ability of an atom to accept an electron |
Electron affinity |
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A measure of the attraction of an atom for the electrons in a chemical bond |
Electronegativity |
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Was the 1st to be partially successful in arranging the known elements in the 1870's into a chart that would allow the prediction of properties |
Mendeleev |
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Atoms can react with one another to form new substances called |
Conpounds |
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A compound is unique both |
Chemically and physically |
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When 2 or more elements share electrons |
Covalent bonding |
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Some atoms can share multiple pairs of electrons forming |
Multiple covalent bonds |
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What're the 2 subtypes of covalent bonds? |
Polar and Nonpolar |
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When 2 atoms of the same element bond together |
A non-polar bond is formed |
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Formed when electrons are unequally shared between 2 atoms |
Polar bond |
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Atoms are bound to each other by a network of covalent bonds |
Network covalent solid |
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3 examples of network covalent substances |
Diamond, quartz, graphite |
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Poly atomic ion is also referred to as |
Radical |
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An ion consisting of a molecule with covalently bonded atoms |
Polyatomic ion |
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Represents a bond lying approximately in the surface plane |
Straight line |
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A measurement that has a magnitude and a directional component |
Vector |
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3 examples of a scalar measurement |
Temperature Speed Mass |
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Electrons can move freely within these molecular orbitals, and so each electron becomes detached from its parent atom. These electrons are said to be... |
Delicalized |
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Attractive forces between molecules is called |
Intermolecular forces |
