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Like the periodic table, the list below organizes the elements by the number of protons in their atoms; it can also be organized by other properties, such as atomic weight, density, and electronegativity. For more detailed information about the origins of element names, see List of chemical element name etymologies.
The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows (" periods ") and columns (" groups "). It is an icon of chemistry and is widely used in physics and other sciences. It is a depiction of the periodic law, which states that when the elements are arranged in order ...
Theodor Benfey's arrangement is an example of a continuous (spiral) table. First published in 1964, it explicitly showed the location of lanthanides and actinides.The elements form a two-dimensional spiral, starting from hydrogen, and folding their way around two peninsulas, the transition metals, and lanthanides and actinides.
The Periodic Table of the Elements in Pictures.pdf. English: This pictorial periodic table is colorful, boring, and packed with information. In addition to the element's name, symbol, and atomic number, each element box has a drawing of one of the element's main human uses or natural occurrences. The table is color-coded to show the chemical ...
A table or chart of nuclides is a two-dimensional graph of isotopes of the elements, in which one axis represents the number of neutrons (symbol N) and the other represents the number of protons (atomic number, symbol Z) in the atomic nucleus. Each point plotted on the graph thus represents a nuclide of a known or hypothetical chemical element.
Mendelevium 101 Md [258] Nobelium 102 No [259] Primordial From decay Synthetic Border shows natural occurrence of the element. Standard atomic weight Ar, std(E)[ 1] Ca: 40.078 — Abridged value (uncertainty omitted here) [ 2] Po: [209] — mass number of the most stable isotope. s-block. f-block.
41 of the 118 known elements have names associated with, or specifically named for, places around the world or among astronomical objects. 32 of these have names tied to the places on Earth, and the other nine are named after to Solar System objects: helium for the Sun; tellurium for the Earth; selenium for the Moon; mercury (indirectly), uranium, neptunium and plutonium after their respective ...
File:Simple Periodic Table Chart-blocks.svg. Size of this PNG preview of this SVG file: 800 × 424 pixels. Other resolutions: 320 × 169 pixels | 640 × 339 pixels | 1,024 × 542 pixels | 1,280 × 678 pixels | 2,560 × 1,355 pixels | 1,205 × 638 pixels. This is a file from the Wikimedia Commons. Information from its description page there is ...
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