Across
- 2. reaction / A ______ _______ is also known as a composition reaction.
- 5. / To balance numbers of atoms, add ______ where necessary.
- 6. reaction / A _______ _________ is indicated by writing two arrows pointing in opposite directions.
- 7. and formulas for the reactants and products.
- 9. reaction / A ____________ _________ is the opposite of a synthesis reaction.
- 11. / One of the compounds formed in a double-displacement reaction is usually a ____________.
- 12. series / The order in which the elements are listed in an _________ _________ are usually determined by single-displacement reactions.
- 13. reactions / In some _______-______ ________, one of the products is an insoluble gas that bubbles out of the mixture. Combustion reaction / A candle supplies heat to the hydrogen and oxygen in a balloon, triggering an explosive _______ ________.
Down
- 1. reactions / Many _____-________ take place in an aqueous solution.
- 3. / Oxides of the less-active metals, decompose into their elements when heated, which is called _____________.
- 4. equation / Represents the facts and shows the correct
- 8. equation / A _____ _________ has only qualitative (descriptive) meaning.
- 10. equation / Chemical Reactions are described by ______.