imported>Chris Day |
imported>Chris Day |
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| |colspan=2 align=center |<font size=4em>'''[[Helium |He]]'''</font> | | |colspan=2 align=center |<font size=4em>'''[[Helium |He]]'''</font> |
| |- | | |- |
| |align=left valign=top|<font size=1em>Atomic number|~#/2</font> | | |align=left valign=top|<font size=1em>~#/2</font> |
| |align=right valign=top|<font size=1em>Electronegativity|#</font> | | |align=right valign=top|<font size=1em>#</font> |
| |} | | |} |
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Revision as of 14:29, 17 April 2008
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|[[Hydrogen |
|[[Helium |
|[[Lithium|
|[[Beryllium|
|[[Boron |
|[[Carbon |
|[[Nitrogen |
|[[Oxygen |
|[[Fluorine|
|[[Neon|
|[[Sodium|
|[[Magnesium|
|[[Aluminium|
|[[Silicon|
|[[Phosphorus|
|[[Sulphur|
|[[Chlorine|
|[[Argon|
|[[Potassium|
|[[Calcium|
|[[Scandium|
|[[Titanium|
|[[Vandium|
|[[Chromium|
|[[Manganese|
|[[Iron|
|[[Cobalt|
|[[Nickel |
|[[Copper|
|[[Zinc|
|[[Gallium|
|[[Germanium|
|[[Arsenic|
|[[Selenium|
|[[Bromine|
|[[Krypton|
|[[Rubidium|
|[[Strontium|
|[[Yttrium|
|[[Zirconium|
|[[Niobium|
|[[Molybdenum|
|[[Technetium|
|[[Ruthenium |
|[[Rhodium|
|[[Palladium|
|[[Silver|
|[[Cadmium |
|[[Iridium|
|[[Tin|
|[[Antimony|
|[[Tellurium|
|[[Iodine|
|[[Xenon|
|[[Caesium|
|[[Barium|
|
’‘‘
|-
|align=left valign=top|~#/2
|align=right valign=top|#
|}
|[[Hafnium|
|[[Tantalum|
|[[Tungsten|
|[[Rhenium|
|[[Osmium|
|[[Iridium|
|[[Platinum|
|[[Gold|
|[[Mercury|
|[[Thallium|
|[[Lead|
|[[Bismuth|
|[[Polonium|
|[[Astatine|
|[[Radon|
|[[Francium |
|[[Radium |
|
’‘‘
|-
|align=left valign=top|~#/2
|align=right valign=top|#
|}
|[[Rutherfordium|
|[[Dubnium|
|[[Seaborgium|
|[[Bohrium|
|[[Hassium |
|[[Meitnerium |
|[[Darmstadium |
|[[Roentgenium |
|[[Lanthanum|
|[[Cerium|
|[[Praseodymium |
|[[Neodymium|
|[[Promethium|
|[[Samarium |
|[[Europium|
|[[Gadolinium |
|[[Terbium|
|[[Dysprosium|
|[[Holmium |
|[[Erbium |
|[[Thulium|
|[[Ytterbium|
|[[Lutetium|
|
|-
|colspan=2|
’‘‘
|-
|align=left valign=top|~#/2
|align=right valign=top|#
|}
|[[Actinium|
|[[Thorium|
|[[Protactinium|
|[[Uranium |
|[[Neptunium|
|[[Plutonium |
|[[Americium |
|[[Curium |
|[[Berkelium|
|[[Californium|
|[[Einsteinium|
|[[Fermium|
|[[Mendelevium|
|[[Nobelium |
|[[Lawrencium|
|
|}