Across
- 7. shorthand method used to describe chemical reactions using chemical formulas and other symbols.
- 10. any characteristic of a substance, such as flammability, that can be observed that produces a new substance
- 11. process in which one or more substances are changed into new substances
- 13. in a chemical reaction, the substance that reacts
- 14. chemical reaction in which one element replaces another element in a compound
- 16. an unbalanced chemical that represents the reactants and products in a chemical reaction
- 17. positively or negatively charged, covalently bonded group of atoms
Down
- 1. reaction in which two ionic compounds in solution are combined can produce a precipitate, water, or a gas
- 2. any characteristic of a material, such as size or shape, that can be observed without changing the identity of the material
- 3. chemical reaction in which two or more substances combine to form a different substance
- 4. a type of chemical reaction that occurs when a substance reacts with oxygen to produce energy in the form of heat and light.
- 5. states that the mass of all substances prevent before a chemical change equals the mass of all the substances remaining after the change
- 6. a neutral particle that forms as a result of electron sharing among atoms
- 8. in a chemical reaction, the new substance or substances formed
- 9. chemical reaction which one substance breaks down into two or more substances
- 12. attraction formed between atoms when they share electrons
- 15. the force of an attraction between the opposite charges of the ions in an ionic compound