Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Atomic_number> ?p ?o }
- Atomic_number abstract "In chemistry and physics, the atomic number of a chemical element (also known as its proton number) is the number of protons found in the nucleus of an atom of that element, and therefore identical to the charge number of the nucleus. It is conventionally represented by the symbol Z. The atomic number uniquely identifies a chemical element. In an uncharged atom, the atomic number is also equal to the number of electrons.The atomic number, Z, should not be confused with the mass number, A, which is the number of nucleons, the total number of protons and neutrons in the nucleus of an atom. The number of neutrons, N, is known as the neutron number of the atom; thus, A = Z + N (these quantities are always whole numbers). Since protons and neutrons have approximately the same mass (and the mass of the electrons is negligible for many purposes) and the mass defect of nucleon binding is always small compared to the nucleon mass, the atomic mass of any atom, when expressed in unified atomic mass units (making a quantity called the \"relative isotopic mass\"), is roughly (to within 1%) equal to the whole number A.Atoms with the same atomic number Z but different neutron numbers N, and hence different atomic masses, are known as isotopes. A little more than three-quarters of naturally occurring elements exist as a mixture of isotopes (see monoisotopic elements), and the average isotopic mass of an isotopic mixture for an element (called the relative atomic mass) in a defined environment on Earth, determines the element's standard atomic weight. Historically, it was these atomic weights of elements (in comparison to hydrogen) that were the quantities measurable by chemists in the 19th century.The conventional symbol Z comes from the German word Zahl meaning number/numeral/figure, which, prior to the modern synthesis of ideas from chemistry and physics, merely denoted an element's numerical place in the periodic table, whose order is approximately, but not completely, consistent with the order of the elements by atomic weights. Only after 1915, with the suggestion and evidence that this Z number was also the nuclear charge and a physical characteristic of atoms, did the word Atomzahl (and its English equivalent atomic number) come into common use in this context.".
- Atomic_number thumbnail Atomic_number_depiction.jpg?width=300.
- Atomic_number wikiPageID "673".
- Atomic_number wikiPageLength "13278".
- Atomic_number wikiPageOutDegree "72".
- Atomic_number wikiPageRevisionID "707281739".
- Atomic_number wikiPageWikiLink Antonius_van_den_Broek.
- Atomic_number wikiPageWikiLink Atom.
- Atomic_number wikiPageWikiLink Atomic_mass.
- Atomic_number wikiPageWikiLink Atomic_mass_unit.
- Atomic_number wikiPageWikiLink Atomic_nucleus.
- Atomic_number wikiPageWikiLink Atomic_number.
- Atomic_number wikiPageWikiLink Atomic_theory.
- Atomic_number wikiPageWikiLink Binding_energy.
- Atomic_number wikiPageWikiLink Bohr_model.
- Atomic_number wikiPageWikiLink Category:Atoms.
- Atomic_number wikiPageWikiLink Category:Chemical_properties.
- Atomic_number wikiPageWikiLink Category:Dimensionless_numbers_of_chemistry.
- Atomic_number wikiPageWikiLink Category:Nuclear_physics.
- Atomic_number wikiPageWikiLink Charge_number.
- Atomic_number wikiPageWikiLink Chemical_bond.
- Atomic_number wikiPageWikiLink Chemical_element.
- Atomic_number wikiPageWikiLink Chemistry.
- Atomic_number wikiPageWikiLink Dmitri_Mendeleev.
- Atomic_number wikiPageWikiLink Effective_atomic_number.
- Atomic_number wikiPageWikiLink Electric_charge.
- Atomic_number wikiPageWikiLink Electron.
- Atomic_number wikiPageWikiLink Electron_configuration.
- Atomic_number wikiPageWikiLink Electron_shell.
- Atomic_number wikiPageWikiLink Ernest_Rutherford.
- Atomic_number wikiPageWikiLink File:Henry_Moseley.jpg.
- Atomic_number wikiPageWikiLink German_language.
- Atomic_number wikiPageWikiLink Hafnium.
- Atomic_number wikiPageWikiLink Half-life.
- Atomic_number wikiPageWikiLink Henry_Moseley.
- Atomic_number wikiPageWikiLink History_of_the_periodic_table.
- Atomic_number wikiPageWikiLink Hydrogen.
- Atomic_number wikiPageWikiLink Iodine.
- Atomic_number wikiPageWikiLink Island_of_stability.
- Atomic_number wikiPageWikiLink Isotope.
- Atomic_number wikiPageWikiLink James_Chadwick.
- Atomic_number wikiPageWikiLink Lanthanide.
- Atomic_number wikiPageWikiLink Lanthanum.
- Atomic_number wikiPageWikiLink Lutetium.
- Atomic_number wikiPageWikiLink Mass_number.
- Atomic_number wikiPageWikiLink Monoisotopic_element.
- Atomic_number wikiPageWikiLink Moseleys_law.
- Atomic_number wikiPageWikiLink Natural_number.
- Atomic_number wikiPageWikiLink Neutron.
- Atomic_number wikiPageWikiLink Neutron_number.
- Atomic_number wikiPageWikiLink Nuclear_reaction.
- Atomic_number wikiPageWikiLink Nucleon.
- Atomic_number wikiPageWikiLink Periodic_table.
- Atomic_number wikiPageWikiLink Physics.
- Atomic_number wikiPageWikiLink Proton.
- Atomic_number wikiPageWikiLink Prouts_hypothesis.
- Atomic_number wikiPageWikiLink Quantum_mechanics.
- Atomic_number wikiPageWikiLink Relative_atomic_mass.
- Atomic_number wikiPageWikiLink Rutherford_model.
- Atomic_number wikiPageWikiLink Spectral_line.
- Atomic_number wikiPageWikiLink Tellurium.
- Atomic_number wikiPageWikiLink Thomas_Royds.
- Atomic_number wikiPageWikiLink X-ray_tube.
- Atomic_number wikiPageWikiLink File:Atomic_number_depiction.jpg.
- Atomic_number wikiPageWikiLink File:Bohr-atom-PAR.svg.
- Atomic_number wikiPageWikiLink File:DIMendeleevCab.jpg.
- Atomic_number wikiPageWikiLink File:Niels_Bohr.jpg.
- Atomic_number wikiPageWikiLinkText "".
- Atomic_number wikiPageWikiLinkText "''Z''".
- Atomic_number wikiPageWikiLinkText "AN".
- Atomic_number wikiPageWikiLinkText "Atomic number".
- Atomic_number wikiPageWikiLinkText "High-''Z''".
- Atomic_number wikiPageWikiLinkText "No.".
- Atomic_number wikiPageWikiLinkText "Number".
- Atomic_number wikiPageWikiLinkText "Z".
- Atomic_number wikiPageWikiLinkText "atomic number".
- Atomic_number wikiPageWikiLinkText "atomic number, Z".
- Atomic_number wikiPageWikiLinkText "atomic numbers".
- Atomic_number wikiPageWikiLinkText "atomic".
- Atomic_number wikiPageWikiLinkText "effective Z".
- Atomic_number wikiPageWikiLinkText "heavier elements".
- Atomic_number wikiPageWikiLinkText "high-Z".
- Atomic_number wikiPageWikiLinkText "high-atomic weight".
- Atomic_number wikiPageWikiLinkText "number of protons".
- Atomic_number wikiPageWikiLinkText "number of protons, Z".
- Atomic_number wikiPageWikiLinkText "positive charge".
- Atomic_number wikiPageWikiLinkText "protons".
- Atomic_number wikiPageWikiLinkText "z".
- Atomic_number wikiPageUsesTemplate Template:=.
- Atomic_number wikiPageUsesTemplate Template:Authority_control.
- Atomic_number wikiPageUsesTemplate Template:Reflist.
- Atomic_number wikiPageUsesTemplate Template:See_also.
- Atomic_number wikiPageUsesTemplate Template:Use_dmy_dates.
- Atomic_number wikiPageUsesTemplate Template:Wiktionary.
- Atomic_number subject Category:Atoms.
- Atomic_number subject Category:Chemical_properties.
- Atomic_number subject Category:Dimensionless_numbers_of_chemistry.
- Atomic_number subject Category:Nuclear_physics.
- Atomic_number hypernym Number.
- Atomic_number type Atom.