The gas is toxic and severe irritant by contact or inhalation. It is a greenish-yellow, disagreeable gas with irritating odour. The origin of the name comes from the Greek word chloros meaning pale green. Most of the printables are PDF files, although some are available as JPG or PNG files. It is optimized to fit on a standard sheet of paper. Relative atomic mass: 35.446, 35.457 Chlorine was discovered by Carl William Scheele (SE) in 1774. This is a collection of free chemistry worksheets and handouts to print. Gathered here are copies of course handouts, materials related to unit exams (including practice exams), answer keys for worksheets, useful website, and video clips. This printable periodic table chart contains the elements atomic number, element symbol, element name and atomic mass. Chem 130: Structure and Properties of Inorganic Compounds (Spring 2020) Archive periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number i.e., the total number of protons in the atomic nucleus. Other flashcards in the set will help you remember the differences between the types of element on the periodic table, including main group elements, transition metals, and metalloids.
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