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  1. These periodic tables use accurate data for name, atomic number, element symbol, atomic weight, and electron configuration, obtained from the International Union of Pure and Applied Chemistry or IUPAC. What we’ve done is list the tables, along with links, so you can get detailed info about each one.

  2. The periodic table is a chart that organizes the elements by increasing atomic number and their chemical and physical properties (see article History of the Periodic table of elements). Rows are arranged so that elements with similar properties fall into the same vertical columns ("groups").

  3. GCSE Chemistry Key Words Empirical formula: The smallest whole number ratio of atoms of each element in a compound. *Fine particles:-Fine particles (PM 2.5) have diameters between 100 and 2500 nm (1 x 10 7 m and 2.5 x 10-6 m). Fullerenes: Fullerenes are molecules of carbon atoms with hollow shapes. The structures

  4. Each term is correct based upon the source cited in its entry. However, the term's definition may have since been superseded or may not reflect current chemical understanding.

  5. SECTION 1. BASIC DEFINITIONS AND VOCABULARY ON STRUCTURE OF MATTER. This section introduces terms and definitions which make up the vocabulary of the language of chemistry. Starting with atoms it progresses to elements, molecules and compounds.

  6. Oct 26, 2017 · Choose from a large collection of printable periodic table PDF files. Included are color periodic tables, black and white tables, blank tables, and a wide selection of specialty tables. We also have a selection of periodic tables in other languages besides English.

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  8. Periods. The Royal Society of Chemistry's interactive periodic table features history, alchemy, podcasts, videos, and data trends across the periodic table. Click the tabs at the top to explore each section.

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