Chemistry Crossword

1234567891011121314151617181920212223
Across
  1. 4. Composed of 2 or more different nonmetals.
  2. 6. A negatively charged ion is called an
  3. 7. A substance that cannot be broken down into simpler substances.
  4. 10. have a neutral charge.
  5. 15. The formula CH4 is called
  6. 18. A compound that contains carbon and hydrogen.
  7. 19. The chemical symbol for scandium.
  8. 21. A type of chemical bond involving the transfer of electrons.
  9. 23. What type of charge do Protons have?
Down
  1. 1. A solution that is a mixture of more than one substance.
  2. 2. have a negative charge.
  3. 3. How many atoms does the prefix "nono" indicate.
  4. 4. The unit of measurement for the number of atoms or molecules in a substance
  5. 5. The chemical symbol for Rubidium.
  6. 8. The process of turning a liquid into a gas.
  7. 9. The formula for water is
  8. 11. How many nonmetals are binary molecular compounds are composed of
  9. 12. How many diatomic elements are there?
  10. 13. A substance that speeds up a chemical reaction without being used up.
  11. 14. A substance that releases hydrogen ions when dissolved in water.
  12. 16. Composed of ions, usually metal and nonmetal.
  13. 17. A positively charged ion is called a
  14. 20. What is it called when an ion has more than one atom?
  15. 22. The formula NH3 is called