Everyday Chemistry

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Across
  1. 2. Fe
  2. 6. Form positive ions
  3. 11. Smallest particle of an element
  4. 13. Vertical columns in the periodic table, where elements contain similar chemical properties
  5. 14. Negatively charged ions
  6. 17. The study ofthe behavior of matter and its charges and how it interacts with other matter and energy
  7. 19. The _____________ is the first antibiotic discovered by the scientist Alexander Fleming
  8. 20. The fundamental states of matter are: Liquid, solid, and _____
Down
  1. 1. A _______ table is a table of the chemical elements arranged in order of atomic number
  2. 3. Ni
  3. 4. Ti
  4. 5. Positively charged particles
  5. 7. _______ is a strong acid that is used in car batteries
  6. 8. Made of 2 or more elements that are chemically combines
  7. 9. ___________ electrons are the electrons in the outermost principal energy level of an atom.
  8. 10. Nuclear particle with no charge
  9. 12. Electron configuration for this element is
  10. 15. ______ Curie first discovered the radioactive elements polonium and radium
  11. 16. A substance that produces hydroxide ions, HO− , in water. Taste bitter and turns litmus paper blue
  12. 18. _____ rule states when several orbitals are available in a subshell, each orbital gets one electron before the electrons pair up
  13. 21. A substance that ionizes in water to form hydrogen ions, H+. Taste sour and turns litmus paper red.