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