Chemistry

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Across
  1. 6. Person who arranged the elements in order of atomic weight
  2. 8. Property that is inherent to the substance
  3. 10. How much matter there is
  4. 12. A positive ion
  5. 13. Person who discovered electron orbitals
  6. 15. Person who discovered that electrons "orbit" the nucleus
  7. 17. The tendency for an atom to attract electrons
  8. 18. Made of one type of molecule
Down
  1. 1. Property that changes with how much of the substance there is
  2. 2. A negative ion
  3. 3. The more shells of electron an atom has, the more the outer shell is shielded from the influence of the nucleus
  4. 4. Thought atoms were balls
  5. 5. The energy required for an atom to lose an electron
  6. 7. Made of one type of atom
  7. 9. A type of bond in which electrons are transferred
  8. 11. Increases from top to bottom and right to left due to shielding
  9. 14. A type of bond in which electrons are shared
  10. 16. Contains multiple elements/molecules