Emilly Pinho

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Across
  1. 1. The “stuff” you make
  2. 3. relating to or denoting chemical bonds formed by the sharing of electrons between atoms
  3. 4. It takes up most of the periodic table
  4. 7. A whole number that appears before a formula
  5. 9. a thing that is composed of two or more separate elements; a mixture.
  6. 10. tells us the number of atoms of each element in a compound.
  7. 11. the complete transfer of valence electron
  8. 13. A+BC---->B+AC
  9. 17. o-o-o
  10. 18. structures H-O-H
  11. 20. replacement AB+CD---->CB+AD
  12. 21. Ab ---> A+B
  13. 22. Not a metal
  14. 23. The “stuff” you start with
Down
  1. 1. state solid,liquid,gas
  2. 2. N2+H2 ------> NH3
  3. 5. He,C,Na,Ar
  4. 6. The mass of the system must remain constant
  5. 7. A carbon-based compound reacts with oxygen to form carbon dioxide and water
  6. 8. A symbolic representation of a chemical reaction
  7. 12. β⁻, e⁻
  8. 14. N2+3H2---->2NH3
  9. 15. An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  10. 16. (aq)
  11. 19. AB----> A+B