Chemistry Crossword

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Across
  1. 4. when a non metal combines a pure substance
  2. 5. the total number of protons and neutrons in a nucleus.
  3. 8. system a closed system is a physical system that doesn't exchange any matter with its surroundings
  4. 9. a cloudy mixture that cant be separated
  5. 11. the most stable and nonreactive elements
  6. 12. A physical property is any property that is measurable, whose value describes a state of a physical system
  7. 19. mixture the different substance that make up the mixture visible
  8. 22. A material that is composed of only one type of particle
  9. 23. make or become liquefied by heat.
  10. 24. physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
  11. 25. each horizontal line in a periodic table
  12. 26. is a cloudy mixture in which tiny particles of one substance are held within each other
  13. 27. water that collects as droplets on a cold surface when humid air is in contact with it.
Down
  1. 1. a solid liquid or gas
  2. 2. are shiny malleable and ductile
  3. 3. Chemical change is any change that results in the formation of new chemical substances
  4. 6. have both metal non metals propetries
  5. 7. most reactive metals
  6. 10. most reactive non metals
  7. 12. A physical change is a change in which no new substances are formed
  8. 13. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  9. 14. the new material produced by reaction
  10. 15. a part or aspect of something abstract, especially one that is essential or characteristic.
  11. 16. Sublimation is a chemical process where a solid turns into a gas without going through a liquid stage
  12. 17. the branch of science that deals with the identification of the substances of which matter is composed
  13. 18. Workplace Hazardous Materials Information System
  14. 20. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  15. 21. the different substance that make it up are not separately visible