Chemistry Crossword

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Across
  1. 2. Has given up electron(s) and its positively charged
  2. 3. Has more than 1 ion
  3. 6. Amount of matter in a given volume (mass/volume)
  4. 7. matter or material of which things can be made
  5. 8. The number of protons + number of neutrons
  6. 9. The part of atom that is positively charged
  7. 10. Electrons that are in the outermost shell of the atom
  8. 14. Part of atom that is negatively charged
  9. 15. Forms of the same element that has equal numbers of protons but different numbers of neutrons
  10. 16. Everything that has mass and volume
  11. 17. Number of protons in a nucleus of an atom
  12. 20. The positively charged central core of an atom
  13. 21. Pure substance made of only one kind of atom
Down
  1. 1. Pure substances made of more than one kind of atom chemically bonded
  2. 3. Contains only one kind of matter
  3. 4. bond A bond in which one atom loses an electron and the other atom gains an electron
  4. 5. Atom that has gained or lost one or more electrons
  5. 11. Has gained electron(s) and its negatively charged
  6. 12. Two or more atoms share valence electrons
  7. 13. is the study of matter
  8. 18. Combination of more than one pure substance
  9. 19. Part of atom that is electrically charged