You Should Know This Stuff

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Across
  1. 1. the element with the most protons
  2. 7. a substance in which all atoms are alike
  3. 9. positively charged atom
  4. 11. shiny and malleable substances
  5. 12. the element with the least amount of protons
  6. 13. a chemical that can dissolve in water and can combine with acids to form salts
  7. 14. neutral charged atom
  8. 16. an element or substance that is not a metal
  9. 17. the element most commonly found in bananas
  10. 19. very reactive elements that form a salt when it reacts with metal
Down
  1. 2. nuclear charge number
  2. 3. vertical rows in the periodic table
  3. 4. a substance composed of two or more chemically bonded elements in fixed proportions
  4. 5. horizontal rows of the periodic table
  5. 6. negatively charged atom
  6. 8. the group of gasses in the periodic table
  7. 10. a radioactive metallic chemical element with the atomic number 88
  8. 13. the mass of an atom
  9. 15. the first in the noble gas group in the periodic table
  10. 18. the element that living organisms need to breathe