science

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Across
  1. 4. the last letter of casey on the periodic table
  2. 8. what does acid release?
  3. 9. a pure substance
  4. 11. element starting with v
  5. 12. the measure of ability to attract a pair of electrons in a covalent bond
  6. 14. what form do acids usually appear as
  7. 15. the scale used to show electronegativity
Down
  1. 1. group 3-12 on the periodic table
  2. 2. the type of reaction that happens in a car
  3. 3. when two or more substances combine to create a new substance
  4. 5. the most common form of an element
  5. 6. what are alkili metals relative to how they behave
  6. 7. used to indicate when a neutralisation reaction has happened
  7. 10. the process that makes isotopes
  8. 13. what nationality was the chemist who created the modern periodic table
  9. 16. when the nucleus gains or loses a neutron