Across
- 2. also called dissolution
- 5. 1/1000 kilometer
- 9. using selective boiling and condensation
- 11. number of protons in the nucleus of an atom
- 12. atomic number 47
- 16. form strongly acidic compounds with hydrogen from which simple salts can be made.
- 17. 1/1000 kiloliter
- 18. solid to a gas
- 22. two or more different substances
- 23. substance that flows freely but is of constant volume
- 27. Au
- 28. force exerted
- 29. liquid to a solid
- 30. comparing a quantity with a standard unit.
- 31. symbol H.
- 32. same mass as a proton but without an electric charge
- 35. element species of atom
- 36. can also be called semimetals
- 39. gas phase to the liquid phase
- 41. a group of atoms bonded together
- 42. separate a solid from a liquid
- 43. liquid into vapor.
- 44. solidification of atoms
- 45. atomic number 56
- 46. has metallic bonds.
- 47. mass per volume
- 49. atomic number 5
Down
- 1. two or more chemical elements
- 3. study of matter
- 4. organic compound
- 6. binary compound of oxygen with another element
- 7. positive electric charge
- 8. also called significant digits
- 10. no fixed shape and no fixed volume
- 13. atomic number 17
- 14. also the physical basis of sweating.
- 15. how dangerous a chemical
- 18. stable in shape
- 19. any substance that has mass and takes up space
- 20. Kg
- 21. Km
- 24. atomic number 6
- 25. inorganic compound
- 26. ¹/₁₀₀₀ kilogram
- 28. display of the chemical elements
- 33. total number of protons and neutrons
- 34. consisting of protons and neutrons.
- 35. chemical transformation
- 36. solid to a liquid.
- 37. smallest constituent unit of ordinary matter
- 38. atomic number 8
- 40. charge of negative electricity
- 48. has a net electrical charge.