Across
- 2. same # protons, different # of neutrons
- 3. shows formulas and relative amounts
- 6. substance changes into new substance
- 7. ability of a substance to be dissolved
- 11. substance formed during a chemical reaction
- 13. mass in grams of one mole of pure subst.
- 16. positively charged dense center of the atom
- 17. more than one valid Lewis structure exists
- 19. smallest particle of an element
- 20. has mass and takes up space
- 21. two different elements chemically combined
- 23. mass weighted avg mass of the isotopes
- 24. temp to go from solid to liquid
- 26. substance dissolved in a solution
- 28. negative particle in an atom
- 30. bond, electrons are not shared equally
- 31. ion with a positive charge
- 32. positive particle in an atom
- 33. unequal # of protons and electrons
Down
- 1. separate a mixture using boiling points
- 4. type of bond, electrons are transferred
- 5. vertical column
- 8. lose/gain/share electrons to become stable
- 9. type of bond, atoms share electrons
- 10. physically combined, retains parts' properties
- 11. horizontal row
- 12. temp to go from liquid to gas
- 14. neutral particle in an atom
- 15. electrons that determine chemical properties
- 18. ion with a negative charge
- 22. amount of mass per unit of volume
- 23. the number of protons in an atom
- 25. two or more atoms covalently bonded
- 27. properties of both metals and nonmetals
- 29. the starting substance in a chemical reaction
