Across
- 1. May involve changes in temperature, color, formation of a gas or precipitate
- 3. Appearance, texture, color, odor, melting point, boiling point, density, solubility, polarity, to name a few
- 8. Poor conductors of electricity; have a wide range of properties
- 9. Formation of a solid within a liquid resulting from a chemical reaction
- 10. Atoms may be linked together in well-defined molecules, or may be packed in __________ patterns
- 13. Mixture where substances are evenly mixed and can not be distinguished
- 16. Process that can physically separate dissolved solute from a solution
- 17. Combination of solvent and solute
- 18. All physical and chemical changes involve a change in e__ __ __ __y
Down
- 1. Principle that states that the total mass of the products of a reaction is equal to the total mass of the reactants
- 2. Not as conductive as metals but more conductive than non-metals; located along the staircase line of the periodic table
- 4. Mixture that is not uniform throughout
- 5. Created by Mendeleev; based on physical properties of elements and their reactivity
- 6. Name for horizontal row in a periodic table
- 7. Within solutions, it is present in greater amounts that the solute
- 10. Pure substance that is composed of two or more types of elements that are chemically combined
- 11. Substance that is dissolved in a solution
- 12. Method for physically separating mixtures
- 14. Pure substance that is composed of one kind of atom and can not be changed into a simpler substance
- 15. Composed of two or more different substances that retain their own individual properties and are combined physically
- 19. Name for vertical row in a periodic table