Chapter 1 Matter

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Across
  1. 1. elements in a group in periodic table have the same number of _______ electrons
  2. 5. at every temperature a liquid __________
  3. 7. the process of a gas turning into solid
  4. 11. refreezing
  5. 12. water is a ____
  6. 13. small particle that makes an element
  7. 14. a state of matter
  8. 16. ______ number of Lithium is seven
  9. 20. charge outside the nucleus
  10. 21. continuous motion of molecules in liquids and gases
  11. 23. in a solution water is the ______
  12. 26. vertical column in periodic table
  13. 28. atoms having the same atomic number but different mass number
  14. 29. water is at its maximum ________ at +4 centigrade degrees
  15. 30. ________ bonding is an example of intermolecular forces
Down
  1. 2. non-metals from _________ bonds
  2. 3. a solvent with maximum dissolved solute
  3. 4. mixing of two gases
  4. 6. non-crystalline structure
  5. 8. have complete outer shells
  6. 9. positive electrical charge
  7. 10. metals and non-metal form _____ bonds
  8. 15. an isotope of hydrogen atom
  9. 17. the number of protons
  10. 18. a good conductor of heat and electricity
  11. 19. horizontal row in periodic table
  12. 22. a process chemical compounds can be split up
  13. 23. in a solution salt is the ________
  14. 24. geometric pattern of metals
  15. 25. a positive ion
  16. 27. a negative ion
  17. 31. hydrogen atom has ____ proton