Across
- 2. Any substances that remain the same from start to finish and are removed from the equation are called ______.
- 7. A ______ equation is when all aqueous substances are shown as individual ions dissolved in water.
- 8. If an element is ______ it contains two atoms.
- 10. A ______ reaction can be element + element and compound + compound yielding one compound.
- 13. In a combustion reaction AB is a ______ meaning H and C are bonded together.
- 14. The Law of Conservation of Mass means there must be the ______ number of each atom on both sides.
- 15. All ______ are soluble.
Down
- 1. What elements are found as two atoms covalently bonded together?
- 3. Properties of substances ______ during chemical reactions.
- 4. Most ______ are solids (s).
- 5. Polyatomic ions need to appear as a ______ if they appear on both sides.
- 6. What is used to determine reactivity in a single displacement reaction if A is a nonmetal and no reaction occurs?
- 9. In a single displacement reaction and A is a nonmetal, if nonmetal A is more reactive than nonmetal C it ______ C's spot in the compound.
- 11. (aq) means a substance is in ______ form (dissolved in water).
- 12. In a decomposition reaction, a generic formula can be a ______ compound meaning there is 3 elements in the compound.
- 16. In a double displacement reaction a compound plus a compound yields ______ new compounds.