periodic table

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Across
  1. 1. " " metals include chemical elements like lithium, sodium,and potassium
  2. 3. an atom with a net electric charge due to the gain/loss of one or more electrons
  3. 6. denoting chemical bonds by sharing electrons between atoms
  4. 8. chemically " " is not particularly reactive during regular use
  5. 9. is a unit of a chemical element
  6. 11. is on the periodic table in a row of chemical elements
  7. 13. is a chemical that lacks power metallic properties
  8. 16. is on the periodic table in a column of chemical elements
  9. 18. separates metals and nonmetals
  10. 19. is composed of ions
  11. 21. a mathematical and scientific relationship/role shown in symbols
Down
  1. 2. the average mass of atoms
  2. 4. is a material that conducts electricity and heat and is ductile, malleable,etc
  3. 5. is a metal that is in between a metal and a nonmetal
  4. 7. is a chemical element represented by an "H"
  5. 10. " " metal any various chemical elements that have valence electrons
  6. 12. a basic part of a whole
  7. 14. is a chemical element represented by "Zn"
  8. 15. is a chemical element represented by a "C"
  9. 17. chemically " " is relative and has a decomposition ability
  10. 20. light reflective qualities of a mineral