Science Crossword Puzzle

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Across
  1. 2. what carbon type is formed continuously by natural processes in the atmosphere.
  2. 3. a shell-shaped fracture is called _____ fracture.
  3. 6. A _____ is a submicroscopic particle made of even smaller components.
  4. 9. Minerals are defined as _____ occurring.
  5. 11. The ____ Scale consists of 10 minerals arranged from hardest to softest.
  6. 13. what is the hardest of the common minerals?
  7. 14. What is the mineral called when it contains halogen ions plus 1+ other elements?
  8. 17. a _____ occurs when a mineral breaks unevenly
  9. 20. what are atoms with the some proton number but different neutron numbers.
  10. 23. (light does not pass through)
  11. 24. the tendency of a mineral to break, along flat, even surfaces.
  12. 25. _____ has 15 different isotopes.
  13. 26. what is the maximum amount of electrons found in the second energy level?
  14. 28. a drop of hydrochloric acid will cause carbonate minerals to?
  15. 29. A molecule is a _____ group of atoms joined by 1 or more covalent Bonds
  16. 30. _____elements are minerals that only contain one element/ type of atom.
Down
  1. 1. The hardest mineral is?
  2. 4. silicon and _____ combine to form a structure called the silicon-oxygen tetrahedron.
  3. 5. what do you use to describe how light is reflected from the surface of a mineral.
  4. 7. Sulfur and oxygen are _____ minerals.
  5. 8. _____ bonds form when atoms share electrons.
  6. 10. _____ contain oxygen and one or more other elements.
  7. 12. Talc is the _____ mineral.
  8. 15. metallic minerals are easy to _____.
  9. 16. crystal shape is determined by a mineral's internal _____ structure.
  10. 18. _____ is the color of a mineral in it's powdered form.
  11. 19. A _____ is naturally occurring, inorganic solid with an orderly crystalline structure & define chemical composition.
  12. 21. _____ is anything that has volume and mass.
  13. 22. Sodium atoms lose _____ electron(s) and become positive ions.
  14. 27. During radioactive _____, unstable atoms radioactive energy and particles.