Science 8 Chem Review Crossword

123456789101112131415161718192021
Across
  1. 7. This physical property deals with how much mass there is per unit of volume.
  2. 10. This physical property refers to how easily a substance's shape can be bent or shaped without breaking.
  3. 11. the chemical symbol for radon
  4. 13. This element has 2 electrons in its Bohr diagram.
  5. 14. We calculate an atom's number of neutrons by doing the following quick math operation: Mass _______ the protons.
  6. 15. We measure this physical property using grams.
  7. 16. A chemical change results in a new substance being __________.
  8. 17. This element has an atomic mass of 24, consisting of 12 protons and 12 electrons.
  9. 19. Reactivity is a __________ property
  10. 20. If you see a __________ change, this is evidence of a chemical change.
  11. 21. This particle is positively charged.
Down
  1. 1. this element has 11 electrons.
  2. 2. phosphorus has 16 of these particles.
  3. 3. The physical property that deals with how quickly a fluid runs.
  4. 4. the first element on the periodic table
  5. 5. When multiple elements are attached together in a chemically pure substance, they are called a _____________.
  6. 6. This element has 47 protons.
  7. 8. This element has 56 electrons
  8. 9. This is a chemical property based on how well something can catch fire.
  9. 12. Volume is a _________ property.
  10. 18. This particle has a negative charge.
  11. 20. this element has 6 protons and 6 electrons.
  12. 21. We find the elements all listed on the ____________ table.