Search results for "Atomic mass/Table" - New World Encyclopedia

From New World Encyclopedia
  • Plutonium (chemical symbol Pu, atomic number 94) is a radioactive ... which itself was one higher on the periodic table than uranium), by analogy ...
    37 KB (5,382 words) - 08:10, 24 November 2022
  • Zirconium (chemical symbol Zr, atomic number 40) is a strong, lustrous ... that is located in period 5 of the periodic table, between yttrium and niobium ...
    16 KB (2,114 words) - 06:08, 13 June 2023
  • Brown dwarfs are celestial objects ranging in mass between that of ... freely in space that were too low in mass to sustain stable hydrogen ...
    26 KB (3,884 words) - 04:37, 22 November 2023
  • at a position determined primarily by its mass, but also by its chemical ... energy. Stars below about 1.5 times the mass of the Sun (or 1.5 solar masses ...
    39 KB (5,825 words) - 10:55, 9 March 2023
  • Silicon (chemical element symbol Si, atomic number 14) is a member ... Measured by mass, silicon makes up 25.7 percent of the Earth's ...
    20 KB (2,980 words) - 22:04, 29 January 2023
  • Lead (chemical symbol Pb, atomic number 82) is a soft, heavy metal ... In the periodic table, lead lies below tin (Sn) in group 13, and between ...
    18 KB (2,664 words) - 18:43, 25 October 2022
  • In chemistry, 2 is the atomic number of helium. Group 2 in the periodic ... of nucleons (protons and neutrons) in the atomic nucleus, such that they are ...
    19 KB (2,775 words) - 06:42, 13 June 2023
  • Osmium (chemical symbol Os, atomic number 76) is a hard, brittle, ... and iridium in period 6 of the periodic table. It is thus a member of the ...
    14 KB (1,905 words) - 04:43, 18 November 2022
  • Xenon (chemical symbol Xe, atomic number 54) is a colorless, odorless ... Xenon is a member of the noble gas series in the periodic table. It ...
    13 KB (1,905 words) - 14:16, 20 May 2023
  • In recent years, measurements of neutrino mass have provided the first experimental ... Dmitri Mendeleev's first periodic table in 1869 helped cement ...
    16 KB (2,386 words) - 08:56, 18 November 2022
  • Arsenic (chemical symbol As, atomic number 33) is a notoriously poisonous ... In the periodic table, arsenic is located in group 15 (formerly group ...
    21 KB (2,920 words) - 04:00, 15 August 2023
  • Antimony (chemical symbol Sb, atomic number 51) is a metalloid with ... In the periodic table, antimony is located in group 15 (formerly group ...
    17 KB (2,369 words) - 06:33, 31 July 2023
  • Selenium (chemical symbol Se, atomic number 34) is a chemical element ... In the periodic table, selenium is located in group 16 (formerly group ...
    23 KB (3,335 words) - 17:47, 25 January 2023
  • Mass spectrometry is an analytical technique that identifies the chemical ... The design of a mass spectrometer has three essential modules: an ...
    44 KB (6,414 words) - 16:19, 7 November 2022
  • Sulfur or sulphur (see spelling below) (chemical symbol S, atomic ... In the periodic table, sulfur is located in group 16 (formerly group ...
    22 KB (3,269 words) - 21:43, 26 February 2023
  • using a combination of ion-coupled plasma mass spectrometry, atomic absorption ... oxygen, with trace amounts of silicon and iron (see table). ...
    21 KB (3,061 words) - 19:10, 16 April 2023
  • downwards on the device's center of mass, and an equal force acting ... in a solid casing. Its behavior on a table, or with various modes of ...
    15 KB (2,368 words) - 08:50, 29 July 2023
  • Cadmium (chemical symbol Cd, atomic number 48) is a relatively rare ... be easily cut with a knife. In the periodic table, it lies in group 12 (former ...
    16 KB (2,248 words) - 10:14, 25 November 2023
  • skilled craftsmanship, or less expensive, mass-produced items for domestic ... in France, Blois. Some of the more basic table clocks have only one time ...
    26 KB (3,970 words) - 22:10, 7 January 2024
  • a chemical element with the symbol W and atomic number 74. This heavy metal ... the Latin word, wolframium. In the periodic table, it lies in period 6, between ...
    17 KB (2,431 words) - 18:45, 2 May 2023

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