Chemistry Review

1234567891011121314151617181920212223242526
Across
  1. 1. the scale of acids to bases
  2. 4. being able to bend without breaking
  3. 5. this type of change is when a different substance is made
  4. 7. below 7 on the pH scale
  5. 8. above 7 on the pH scale
  6. 12. group 18 on the periodic table that are not very reactive
  7. 13. negatively charged ion
  8. 14. group on the periodic table with similar properties
  9. 15. have no charge
  10. 16. bond between a metal and nonmetal
  11. 19. good conductor of heat
  12. 23. reaction when energy is released to surroundings
  13. 24. same element but a different number of neutrons
  14. 26. good insulator of heat
Down
  1. 1. this type of change is when its the same substance but appears different
  2. 2. negatively charged part of an atom
  3. 3. positively charged ion
  4. 4. the conservation of this says that matter cannot be created or destroyed
  5. 6. bond between two nonmetals
  6. 9. number of protons and neutrons in a nucleus
  7. 10. reaction when energy is taken in and absorbed from surroundings
  8. 11. a group of atoms bonded together
  9. 13. smallest unit of an element that maintains properties of that element
  10. 17. made of protons and neutrons
  11. 18. a substance made up of atoms of two or more different elements joined by chemical bonds
  12. 19. a substance made up of atoms of two or more different elements not chemically combined
  13. 20. positively charged part of an atom
  14. 21. element that has properties of metals and nonmetals
  15. 22. a substance that cannot be broken down into simpler substances
  16. 25. electrons on the outermost shell