Across
- 3. ______displacement is a type of reaction that occurs when two compounds exchange atoms or ions
- 7. a chemical equation that has the same number of each type of atom on each side of the arrow is said to be__________
- 9. chemical change resulting from a collision between atoms or molecules
- 12. substances that produce hydroxide anions in a water solution; slippery; have a bitter taste
- 14. the number before each molecular formula
- 16. according to the law of conservation of_____, the total mass of the reactants is equal to the total mass of the products
- 17. _____displacement is a type of reaction that occurs when an element in a compound is replaced by another element
- 18. original substances that undergo a chemical reaction
Down
- 1. this type of reaction occurs when two or more substances combine to form a third substance
- 2. a chemical reaction that releases thermal energy
- 4. a reaction that absorbs thermal energy
- 5. this type of reaction occurs when a compound breaks down to form different substances
- 6. to break apart
- 8. reactants are located on the_______side of an equation
- 9. an expression that uses chemical symbols to represent a chemical reaction
- 10. chemical formulas cannot be _______to balance an equation
- 11. substances that are neither acids nor bases
- 13. substances that produce hydronium ions when dissolved in water; have a sour taste
- 15. new substances produced by a reaction
- 18. products are located on the________side of an equation
- 19. any ionic compound that does not contain H or OH