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Periodic table - Periodicity of chemical properties | | Periodic table - Periodicity of chemical properties: Encyclopedia II - Periodic table - Periodicity of chemical properties | | Elements adjacent to one another within a group have similar physical properties, despite their significant differences in mass. Elements adjacent to one another within a period, or energy level, have similar mass but different properties.
For example, very near to nitrogen (N) in the second period of the chart are carbon (C) and oxygen (O). Despite their similarities in mass (only a few atomic mass units), they have extremely different properties, as can be seen by looking at their allotropes: diatomic oxygen is a gas that supports burning, diatomic nitrogen is a gas that d ...
See also:Periodic table, Periodic table - Groups, Periodic table - Periodicity of chemical properties, Periodic table - Methods for displaying the periodic table, Periodic table - Standard periodic table, Periodic table - Other depictions, Periodic table - Periodic table structure reflects electron configuration, Periodic table - History, Periodic table - Further resources | | | Periodic table, Periodic table - Further resources, Periodic table - Groups, Periodic table - History, Periodic table - Methods for displaying the periodic table, Periodic table - Other depictions, Periodic table - Periodic table structure reflects electron configuration, Periodic table - Periodicity of chemical properties, Periodic table - Standard periodic table, Atomic electron configuration table, Isotope table (complete), Isotope table (divided), Discoveries of the chemical elements, Abundance of the chemical elements, Tom Lehrer's song The Elements, IUPAC's systematic element names, Cosmochemical Periodic Table of the Elements in the Solar System, Table of chemical elements | | |
| | | Periodic table: Encyclopedia II - Periodic table - Periodicity of chemical properties
Periodic table - Periodicity of chemical properties
Elements adjacent to one another within a group have similar physical properties, despite their significant differences in mass. Elements adjacent to one another within a period, or energy level, have similar mass but different properties.
For example, very near to nitrogen (N) in the second period of the chart are carbon (C) and oxygen (O). Despite their similarities in mass (only a few atomic mass units), they have extremely different properties, as can be seen by looking at their allotropes: diatomic oxygen is a gas that supports burning, diatomic nitrogen is a gas that does not support burning, while carbon is a solid which can be burned.
Other related archives19th, Abundance of the chemical elements, Actinides, Atomic electron configuration table, Chemists, Cosmochemical Periodic Table of the Elements in the Solar System, Discoveries of the chemical elements, Dmitri Ivanovich Mendeleev, Dmitri Mendeleev, Earth, Electron Configurations, Glenn T. Seaborg, Henry Moseley, Hindu-Arabic numerals, History of the periodic table, IUPAC, International Union of Pure and Applied Chemistry, Isotope table (complete), Isotope table (divided), Johann Wolfgang Döbereiner, John Newlands, Julius Lothar Meyer, Lanthanides, Latin, List of elements by atomic mass, List of elements by atomic number, List of elements by boiling point, List of elements by density, List of elements by electronegativity, List of elements by melting point, List of elements by name, List of elements by symbol, Metals and Non Metals, Periodic table filled by blocks, Primordial elements, Roman numerals, Russian, Synthetic elements, Table in Chinese, Table of chemical elements, Tom Lehrer's song The Elements, allotropes, alternative periodic tables, atomic mass, atomic mass units, atomic masses, atomic number, atoms, big table, bromine, burned, carbon, chemical elements, chemical properties, chemist, chemistry, chlorine, corrosive, electron configuration, electron shells, element symbol, fluorine, francium, gas, group, group numbers, halogens, huge table, hydrogen, inline F-block, liquid, mass, nitrogen, octaves of music, oxygen, pattern, period, periodic table blocks, solid, standard table, standard temperature and pressure, systematic element names, transuranic, valence electrons, valence shell, vertical table
 Adapted from the Wikipedia article "Periodicity of chemical properties", under the G.N U Free Docmentation License. Please also see http://en.wikipedia.org/wiki |
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