Across
- 3. CaO
- 4. a reaction where a more reactive metal displaces a less reactive metal from its compound
- 7. a reaction where the substance loses oxygen or hydrogen is added
- 9. a one or two letter abbreviation for a chemical element
- 10. a reactipn where the substance gains oxygen or loses hydrogen is known as oxidation
- 14. a reaction where the chemical properties of the object is altered
- 15. the combining power of an element
- 16. chemical decomposition produced by passing an electric current through a liquid or solution
- 17. when a metal reacts with the air and the moisture in the surroundings
Down
- 1. a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products
- 2. a reaction when a compound breaks down into two or more simpler substances
- 5. a reaction where reactant ions exchange between the compounds takes place to form new products
- 6. chemical equations that are not balanced.
- 8. A combination reaction is a type of chemical reaction where two or more substances combine to form a single new substance
- 11. CaCO3
- 12. when oil and fats present in food items reacts with air in the surroundings
- 13. it is an equation where the number of atoms of each type in the reaction is the same on both reactants and product sides