Chemistry Crossword #2

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Across
  1. 3. atoms that have the same number of protons but a different number of neutrons
  2. 5. atoms that have the same number of protons are the same ____
  3. 7. a profession that you are considering for your future
  4. 9. the animal that you have as a pet
  5. 10. this coming year, you will be a _____ in high school
  6. 13. the subatomic particles that have the least mass
  7. 16. isotopes have the same number of protons but a different number of ____
  8. 18. the element whose atoms all have three protons
  9. 19. the charge of a proton
  10. 22. the element whose atoms all have six protons
  11. 24. atoms are named based on the number of protons that they have
  12. 26. the mass number of an atom with nine protons, nine electrons, and ten neutrons
  13. 28. the element whose atoms all have one proton
  14. 30. the amount of "stuff" in an object, similar to weight
Down
  1. 1. the musical instrument that you play
  2. 2. the mass number of an atom with three protons, three electrons, and four neutrons
  3. 4. Star Learning _____
  4. 6. the mass number of an atom with six protons, six electrons, and six neutrons
  5. 8. the mass number of an atom with two protons, two neutrons, and two electrons
  6. 11. the element whose atoms all have two protons
  7. 12. electrons are found _____ the nucleus of an atom
  8. 14. the science discipline that we are learning
  9. 15. your last name
  10. 17. an atom's mass number is the ____ of the number of protons and neutrons
  11. 20. helium atoms have _____ protons
  12. 21. you participate in a bunch of ____curriculuar activities
  13. 23. the charge of an electron
  14. 25. a book you enjoyed is titled "The ____ is Also a Star"
  15. 27. the center of an atom
  16. 29. Do atoms always have an equal number of protons and neutrons?