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+ | {| table class="wiki-sidebar" |
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⚫ | |||
+ | |- |
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+ | | class="odd" | Name: |
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+ | | class="even" | Helium |
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+ | |- |
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+ | | class="odd" | Symbol: |
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+ | | class="even" | He |
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+ | |- |
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+ | | class="odd" | Atomic number: |
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+ | | class="even" | 2 |
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+ | |- |
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+ | | class="odd" | Atomic weight: |
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+ | | class="even" | |
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+ | |- |
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+ | | class="odd" | Melting point: |
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+ | | class="even" | X.X° [[Celsius|C]] |
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+ | |- |
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+ | | class="odd" | Boiling point: |
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+ | | class="even" | X.X° C |
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+ | |- |
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+ | | class="odd" | Specific gravity: |
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+ | | class="even" | |
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+ | |- |
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+ | | class="odd" | Valence: |
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+ | | class="even" | |
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+ | |} |
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⚫ | |||
− | Helium is highly non-reactive, being the first of the |
+ | Helium is highly non-reactive, being the first of the noble gases. |
+ | ==References== |
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* [[TNG]]: "[[Masks]]" |
* [[TNG]]: "[[Masks]]" |
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* [[VOY]]: "[[The Cloud]]" |
* [[VOY]]: "[[The Cloud]]" |
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* [[VOY]]: "[[The Voyager Conspiracy|The ''Voyager'' Conspiracy]]" |
* [[VOY]]: "[[The Voyager Conspiracy|The ''Voyager'' Conspiracy]]" |
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+ | |||
+ | ==External links== |
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+ | * [[Wikipedia:Helium|helium]] at [[Wikipedia:Main Page|Wikipedia]] |
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Revision as of 20:41, 8 January 2005
Name: | Helium |
Symbol: | He |
Atomic number: | 2 |
Atomic weight: | |
Melting point: | X.X° C |
Boiling point: | X.X° C |
Specific gravity: | |
Valence: |
Helium is a chemical element, number 2 on the periodic table. It is the second most common element in the universe after hydrogen. Helium is the typical result of hydrogen fusion inside stars.
Helium is highly non-reactive, being the first of the noble gases.