Chemistry Vocabulary

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Across
  1. 2. a stable isotope twice the weight of the usual isotope
  2. 4. acquires electrons to form negative charges
  3. 6. electrons surrounding the nucleus
  4. 7. used to measure mass-to-charge ratio
  5. 12. size of atoms in chemical element
  6. 13. protons minus neutrons
  7. 15. minimum amount to remove the most loose electron
  8. 16. positively charged center of the atom
  9. 17. resides on the periodic table
  10. 19. positive charge
  11. 20. positively charged and attracted to cathrode
Down
  1. 1. set of elements occupying periodic table
  2. 3. House of the elements
  3. 5. two or more elements with equal protons
  4. 8. neutral charge
  5. 9. composed of multiple elements
  6. 10. column in periodic table
  7. 11. total amount of protons and neutrons
  8. 14. negatively charges and attracted to
  9. 18. negative charge