| 2. As a pure element i look like this. |
3. There are 33 protons and 42 neutrons. The atomic mass of me is around 75. The natural abundance of me is 100%.
4. I have 33 electrons in me. I have 4 electron shells.
5. My atomic radius is 115pm
6. The more common form of arsenic is a shiny, gray, brittle, metallic looking solid. The less common one is a yellow crystal solid.
7. My abundance in my body is 0.00301910, and in the universe it is about .o1 by atoms.
8. Some compounds I can make are arsenic trifluoride, arsenic trichloride, arsenic tribomide, and arsenic triiodide.9.Was mined by the early Chinese, Greek and Egyptian civilizations. Albertus Magnus obtained the element in 1250 A.D. who obtained it by heating soap
together with orpiment.
10. Many manufacturers use arsenic to make glass, metals, and many other things. Scientist use it to make new formulas and discoveries.
12.http://www.webelements.com/arsenic/
