electron | has antiparticle positron | ![2001-09-27 09:28:03.0 2001-09-27 09:28:03.0](facet.gif) |
has charge -1 | ![2001-09-27 09:28:03.0 2001-09-27 09:28:03.0](facet.gif) |
is a part of element | ![2001-09-27 09:32:17.0 2001-09-27 09:32:17.0](facet.gif) |
has definition Negatively charged fundamental particle (also called a beta particle) found in the atoms of all elements, where it "orbits" (at different energy levels and with different directions of spin) round the central nucleus. The combined charge of the orbiting electrons is balanced (in a neutral atom) by the charge of an equal number of positively charged protons in the atomic nucleus. An electron is also the fundamental unit of electricity. | ![has source: Abbot, D. 1984 Astronomers, Peter Bedrick Books, New York, 2001-09-27 09:28:03.0 has source: Abbot, D. 1984 Astronomers, Peter Bedrick Books, New York, 2001-09-27 09:28:03.0](facet.gif) |
has definition A small, negatively charged particle that appears in every neutral atom, surrounding the positively charged nucleus like bees around honey. | ![has source: Croswell, K. 1995 The Alchemy of the Heavens, Anchor Books, 2001-09-27 09:28:03.0 has source: Croswell, K. 1995 The Alchemy of the Heavens, Anchor Books, 2001-09-27 09:28:03.0](facet.gif) |
has definition A negatively charged spin-1/2 particle, which interacts via the electromagnetic, weak and gravitational forces. It has a mass of 0.511 MeV / c2, some 1800 times lighter than the proton. | ![has source: Coughlan, G.D., Dodd, J.E. 1999 The Ideas of Particle Physics, Cambridge University Press, 2001-09-27 09:28:03.0 has source: Coughlan, G.D., Dodd, J.E. 1999 The Ideas of Particle Physics, Cambridge University Press, 2001-09-27 09:28:03.0](facet.gif) |
has definition A lepton with an electric charge of -1. An electron is also a fermion because it has a spin of one half. | ![has source: Clark, S. 1997 Towards the Edge of the Universe, Wiley, 2001-09-27 09:28:03.0 has source: Clark, S. 1997 Towards the Edge of the Universe, Wiley, 2001-09-27 09:28:03.0](facet.gif) |
has definition A stable, negatively charged elementary particle - the lightest massive particle known. The classical electron radius is 2.82 × 10-13 cm; me = 9.1 × 10-28 g = 5.48597 × 10-4 amu. The electron family (see lepton) includes the electron e-, the positron e+, the electron neutrino νe, and the electron antineutrino νebar. Rest-mass energy of electron 8.186 × 10-7 ergs. Electron charge = 1.60219 × 10-19 coulombs. | ![has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:28:04.0 has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:28:04.0](facet.gif) |
has definition Light elementary particle with a negative electrical charge. Electrons are found in shells surrounding the nuclei of atoms; their interactions with the electrons of neighboring atoms create the chemical bonds that link atoms together as molecules. | ![has source: Ferris, T. 1988 Coming of Age in the Milky Way, Morrow, 2001-09-27 09:28:04.0 has source: Ferris, T. 1988 Coming of Age in the Milky Way, Morrow, 2001-09-27 09:28:04.0](facet.gif) |
is a kind of lepton | ![2001-09-27 09:28:03.0 2001-09-27 09:28:03.0](facet.gif) |
is a kind of charged particle | ![2001-09-27 09:28:03.0 2001-09-27 09:28:03.0](facet.gif) |
lepton | has spin 1/2 | ![2001-09-27 09:28:03.0 2001-09-27 09:28:03.0](facet.gif) |
charged particle | is accelerated by electric or magnetic fields | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
fermion | has quantum behavior Fermi-Dirac statistics | ![2001-09-27 09:28:03.0 2001-09-27 09:28:03.0](facet.gif) |
obeys exclusion principle | ![2001-09-27 09:28:03.0 2001-09-27 09:28:03.0](facet.gif) |
particle | obeys uncertainty principle | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
has frequency inversely proportional to the wavelength | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
has wavelength inversely proportional to its momentum | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
has mass | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
physical object | has location or center of gravity | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has angular momentum | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has velocity | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has momentum | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has temperature | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has volume | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has extent | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has material | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |