Across
- 4. mixture of two or more liquids in which one is present as droplets, of microscopic or ultramicroscopic size
- 6. heterogeneous mixture that contains solid particles sufficiently large for sedimentation.
- 7. CHANGE, process in which one or more substances are altered into one or more new and different substances
- 8. chemical symbol of magnesium
- 12. PROPERTY, characteristic of a substance that may be observed when it participates in a chemical reaction
- 13. molecules composed of only two atoms, of the same or different chemical elements
- 17. colloidal system in which the particles are gas bubbles and the medium is a liquid
- 18. process for the separation of mixtures of immiscible liquids or of a liquid
- 21. substance whose atoms all have the same number of protons
- 25. he push or pull on an object with mass that causes it to change velocity
- 27. substance formed when two or more chemical elements are chemically bonded together
- 30. process whereby atoms or molecules in a liquid state
- 31. component of an atomic nucleus with a mass
- 32. measure of how easily a substance bursts into flame, through fire or combustion.
- 34. chemical symbol of chlorine
- 36. measure of mass per unit of volume
- 37. chemical element of Group 1
- 40. decimal unit prefix in the metric system denoting multiplication by one thousand
- 42. chemical symbol of osmium
- 43. Measure of how fast velocity is changing
- 44. force exerted by the substance per unit area on another substance
- 45. occupies space and has mass.
- 48. average mass of atoms of an element,
- 49. type of colloid in which solid particles are suspended in a liquid
Down
- 1. sample of matter with both definite and constant composition and distinct chemical properties.
- 2. reaction or direct combination reaction is one of the most common types of chemical reaction.
- 3. reaction is a type of chemical reaction in which one reactant yields two or more
- 5. type of phase transition, or a change in a state of matter, just like melting, freezing, and evaporation.
- 9. a type of change in which the form of matter is altered but one substance is not transformed into another.
- 10. process by which a substance changes from the solid phase to the liquid phase
- 11. laboratory technique for the separation of a mixture.
- 14. chemical symbol of carbon dioxide
- 15. chemical reaction that occurs between a fuel and an oxidizing agent that produces energy, usually in the form of heat and light.
- 16. compund type of chemical bonding that involves the electrostatic attraction between oppositely charged ions, and is the primary interaction occurring in ionic compounds.
- 19. semi-solid that can have properties ranging from soft and weak to hard and tough
- 20. property of matter that depends only on the type of matter in a sample and not on the amount
- 22. unit prefix meaning "one billionth"
- 23. chemical symbol of strontium
- 24. vector quantity, equal to the speed and direction of a particle
- 25. A silvery-white, hard metallic element that occurs abundantly in minerals such as hematite, magnetite, pyrite, and ilmenite
- 26. smallest constituent unit of ordinary matter that constitutes a chemical element.
- 28. substance with high electrical conductivity, luster, and malleability, which readily loses electrons to form positive ions
- 29. type of colloid, of the form of one solid dispersed in another continuous solid.
- 33. process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons
- 35. process of separating components of mixtures by using magnets to attract magnetic materials.
- 38. number equal to the sum of the atomic masses of the atoms in a molecule.
- 39. compound chemical bond that involves the sharing of electron pairs between atoms
- 41. degree to which a chemical substance or a particular mixture of substances can damage an organism
- 46. chemical symbol of titanium
- 47. element that doesn't have the characteristics of metal