6th Prop of Atoms & Molecules L 1-15 Vocab Crossword

12345678910111213141516171819
Across
  1. 3. group of chemically connected atoms
  2. 4. substance that cannot be broken down by ordinary chemical means
  3. 5. a bond formed by transferring of electrons
  4. 7. an element with an electrical charge due to missing or extra electrons
  5. 9. adding of oxygen to a molecule
  6. 12. elements in the center columns of the periodic table, labeled with the letter B
  7. 16. two of the same type of atom bonded together
  8. 18. column of the periodic table
  9. 19. row of the periodic table
Down
  1. 1. removal of oxygen from a molecule
  2. 2. two or more different kinds of atoms bonded together
  3. 4. number of protons in an atom
  4. 6. recycling of carbon for reuse by plants and animals
  5. 8. number of protons plus the number of neutrons in an atom
  6. 10. electrically neutral (neither + nor - )in the nucleus of an atom
  7. 11. bond formed when thousands of atoms freely share their electrons
  8. 13. positively charged particle (+) in the nucleus of an atom
  9. 14. non-reactive
  10. 15. negatively charged particle orbiting the nucleus of an atom
  11. 17. molecules formed by sharing of electrons