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The Periodic Table
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#	Item
621	Additional Teacher Background Chapter 4 Lesson 3, p. 295 What determines the shape of the standard periodic table? One common question about the periodic table is why it has its distinctive shape. There are actually many Add to Reading List Source URL: www.middleschoolchemistry.com Language: English - Date: 2011-12-23 14:40:28 Chemical bonding Quantum chemistry Charge carriers Molecular physics Valence electron Electron Periodic table Ion Energy level Chemistry Physics Atomic physics
622	DEPARTMENT OF THE ENVIRONMENT RADIOLOGICAL HEALTH PROGRAM 1800 WASHINGTON BLVD. BALTIMORE, MARYLAND[removed]CERTIFICATE-IN VITRO TESTING Add to Reading List Source URL: www.mde.state.md.us Language: English - Date: 2014-08-25 21:27:55 Chemical elements Radiobiology Radioactivity Ionizing radiation Polonium Iodine Chemistry Matter Periodic table
623	The Harmful Effects of Mercury Mercury can build up in the body over time. It may take months or years of regularly eating contaminated fish to accumulate levels which are a health concern. By Add to Reading List Source URL: www.deq.state.ok.us Language: English - Date: 2011-04-21 14:42:03 Periodic table Fish products Fish Mercury regulation in the United States Methylmercury Matter Chemistry Mercury
624	Real-Time Mercury Analysis: A Dry Sample Conditioning System Add to Reading List Source URL: epa.gov Language: English - Date: 2012-03-02 11:00:26 Occupational safety and health Periodic table Methylmercury Mercury regulation in the United States Chemistry Matter Mercury
625	Confined spaces: permit-required Do you have a written permit-confined-space program? Is the program available for inspection? Are confined spaces thoroughly emptied of any corrosive or hazardous substances, such as acid Add to Reading List Source URL: www.cbs.state.or.us Language: English - Date: 2014-09-11 04:22:31 Confined space Hazards Occupational safety and health Safety Oxygen Space Shuttle Confined space rescue Chemistry Matter Periodic table
626	1.0 INTRODUCTION Mercury is a persistent, bioaccumulative, toxic pollutant. Exposure to mercury can cause numerous harmful effects in plants, birds, mammals and humans. When released into the environment, even small quan Add to Reading List Source URL: des.nh.gov Language: English - Date: 2013-03-10 05:00:00 Organomercury compounds Periodic table Methylmercury Amalgam Fluorescent lamp Ethylmercury Air pollution Toxicity Incineration Chemistry Mercury Matter
627	Mercury and Sulfur Dynamics in the SPRUCE Experiment Brandy Toner1, Randy Kolka2, Steve Sebestyen2 and Ed Nater1 1 Department of Soil, Water and Climate, University of Minnesota, St. Paul, MN USDA Forest Service Northern Add to Reading List Source URL: mnspruce.ornl.gov Language: English - Date: 2014-09-12 02:48:04 Native element minerals Periodic table Systems ecology Chalcogens Sulfur Mercury Soil Ecosystem services Chemistry Matter Chemical elements
628	Alaska Resource Data File Medfra quadrangle Descriptions of the mineral occurrences shown on the accompanying figure follow. See U.S. Geological Survey[removed]for a description of the information content of each field i Add to Reading List Source URL: ardf.wr.usgs.gov Language: English - Date: 2012-07-25 12:38:44 Nuclear materials Nuclear fuels Chemical elements Periodic table Thorium Uranium Rare earth element Matter Chemistry Actinides
629	Sci9_11 Blank periodic table Add to Reading List Source URL: education.alberta.ca Language: English - Date: 2013-08-22 10:30:57 Educational psychology Achievement tests Education in the United States Evaluation methods Test ACT Iowa Tests of Educational Development Multiple choice General Educational Development Education Evaluation Standardized tests
630	Mercury and Schools: A Risky Combination Add to Reading List Source URL: www.healthyschools.org Language: English - Date: 2005-11-04 15:39:20 Gas discharge lamps Periodic table Neurotoxins Fluorescent lamp Mercury regulation in the United States Dental amalgam controversy Mercury Matter Chemistry

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