Secret

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Across
  1. 3. amixturethatcomponentcannotidentify
  2. 5. componentscanbeidentified
  3. 7. amountpresentinmatter
  4. 10. ressistpressionandcompression
  5. 13. mostofmetalaresolidformexceptmercury
  6. 14. canbeseenanditcanbedescribe
  7. 16. thereisanexactnumberofatom
  8. 18. possesbothcharacteristicsofmetal
  9. 19. definitevolumebutasnodefiniteshape
  10. 20. matter
Down
  1. 1. unreactiveelements
  2. 2. nodefinitevolumeandshape
  3. 4. thatcanchangeforminganewsubstance
  4. 6. combinationof2ormoresubstances
  5. 8. madeupof2ormorekindofatoms
  6. 9. anythingthat occupiesspace
  7. 11. thisismadeupofonekindofatomonly
  8. 12. abilityoflighttopassthroughit
  9. 15. havelowmeltingpoint
  10. 17. definiteshapeanddefinitevolume