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36 Cards in this Set
- Front
- Back
Aluminum |
Al |
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Silicon |
Si |
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Phosphorus |
P |
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Sulfur |
S |
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Chlorine |
Cl |
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Argon |
Ar |
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Potassium |
K |
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Calcium |
Ca |
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Scandium |
Sc |
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Titanium |
Ti |
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Vanadium |
V |
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Chromium |
Cr |
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Atoms |
Smallest particle of an element |
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Proton |
subatomic particle with a single unit of positive charge |
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Electron |
subatomic particle with a single unit of negative charge |
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Neutron |
Subatomic particle that has no charge (is electrically neutral) |
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Nucleus |
In an atoms, the central core that contains protons and neutrons |
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Atomic number |
Number of protons in an atoms nucleus; is unique for each element |
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Atomic mass |
Mass of the nucleus |
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Level One |
(K) maximum of two electrons |
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Level Two |
(L) maximum of eight electrons |
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Level Three (M) |
(M) maximum of eighteen electrons |
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Level Four |
(N) maximum of thirty two electrons |
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Valence Shell |
The outer level |
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Covalent bonds are formed... |
by the sharing of two or more electrons |
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Ionic bonds forms... |
by the transfer of one or more electrons |
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The atom with less electrons... |
in its outer shell give/loses electron(s) |
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The atom with more electrons... |
in its outer shell takes/gives electron(s) |
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Inert elements have... |
their outermost energy level fully occupied by electrons |
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Reactive elements do not have... |
their outermost energy level fully occupied by electrons |
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Molecules |
two or more atoms held together by covalent bonds |
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Chemical reactions |
breaking of old and formation of new chemical bonds that result in new substances |
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Before a reaction bond takes place.... |
there must be two or more reactants |
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Reactants |
starting materials for a chemical reactions |
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After a reaction bond takes place... |
the results that are left over are called products |
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Products |
material created as a result of chemical reaction |