Across
- 1. force that holds cations and anions together
- 5. force that holds atoms/ions together as a unit
- 7. chemical reaction where 2 compounds exchange positive ions and form new compounds
- 9. neutral group of atoms joined together by 1+ covalent bonds
- 10. attraction between metal cation and shared electrons that surround it
- 11. new substances formed as a result of a chemical reaction
- 13. chemical bond where 2 atoms share a pair of valence electrons
- 14. atom of group of atoms that has a positive or negative charge
- 16. substance that undergoes change in chemical reaction
- 17. ion with negative charge
- 18. energy stored in chemical bonds
- 19. chemical reaction where 2+ substances react to form a single substance
Down
- 2. notation that shows what elements a compound contains + ratio of atoms/ions in compound
- 3. chemical reaction where compound breaks down into 2+ simpler substances
- 4. chemical reaction where 1 element takes place of another element in a compound
- 6. numbers that appear before a formula in a chemical equation to show relative proportions of each reactant and product
- 8. representation of a chemical reaction in which reactants and products are expressed as formulas
- 12. diagram of atom, ion, or molecule. Each dot represents a valence electron
- 15. ion with positive charge
- 17. mixture of 2+ elements, at least one of which is a metal, that has characteristic properties of a metal.