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  1. It's Elemental - The Element Tellurium

    The Element Tellurium - Known Isotopes Most of the isotope data on this site has been obtained from the National Nuclear Data Center. Please visit their site for more information. Isotopes With A Known …

  2. It's Elemental - The Element Antimony

    Antimony has been known since ancient times. It is sometimes found free in nature, but is usually obtained from the ores stibnite (Sb 2 S 3) and valentinite (Sb 2 O 3). Nicolas Lémery, a French …

  3. It's Elemental - The Element Thallium

    Rather than seeing the yellow spectral lines produced by tellurium, he observed a bright green line that no one had ever seen before. He named the new element that was producing the green line thallium, …

  4. It's Elemental - The Element Gold

    Gold is sometimes found free in nature but it is usually found in conjunction with silver, quartz (SiO 2), calcite (CaCO 3), lead, tellurium, zinc or copper. There is roughly 1 milligram of gold dissolved in …

  5. Down If you want to see a cell, use one of these.

  6. Mystery Math - education.jlab.org

    Hands-on science and math activities for middle school students.

  7. education.jlab.org

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  8. Across 2.This element’s chemical symbol is He. 3.This element’s chemical symbol is N. 6.This element’s chemical symbol is C. 9.This element’s chemical symbol is I. 10.This element’s chemical symbol is …

  9. 5 The name of one of the types of quarks found in protons and neutrons.

  10. education.jlab.org

    education.jlab.org