Across
- 1. is a chemical substance composed of many identical molecules
- 6. a chemical operation that separates solid matter and fluid from a mixture with a filter medium
- 8. the meaning of Xe in the periodic table
- 9. the chemistry of carbon compounds
- 11. a property that does not depend on the size of matter.
- 16. it is a measure of the "hotness" or "coldness" of a substance.
- 21. it is a material made up of two or more different substances which are physically combined.
- 22. state of matter that atoms are close together.
- 25. 5th element in the periodic table
- 26. is a measure of how readily a substance undergoes a chemical reaction.
- 27. makes your voice change when inhaled and it is a noble gas.
- 28. branch of science that explores living organism
- 32. 57th in the periodic table
- 34. chemistry that studies the structure of matter.
- 35. is a mixture in which the components of the mixture are not uniform
- 37. property that does depend on the size of matter
- 38. change of state from solid to gas
- 39. humans inhale this gas.
- 41. an effect is light scattering by particles in a colloid or in a very fine suspension
- 43. the meaning of Rb in the periodic table
- 44. a mixture that has a small diameter yet are still uniformly distributed in a solution
- 46. the most abundant element in the universe
- 47. 4th element in the periodic table
- 49. is the ratio between the activity of your sample of interest.
- 50. it is a substance whose atoms all have the same number of protons
- 51. it is the relationship between the mass of the substance and how much space it takes up
Down
- 2. change of state from solid to liquid
- 3. change of state from liquid to gas
- 4. the element Ca in the periodic table
- 5. is the process by which an atom or a molecule acquires a negative or positive
- 7. the meaning of Cl in the periodic table
- 10. it is a measure of how easily a substance burst into flames
- 12. it is a special type of homogeneous mixture composed of two or more substances
- 13. the technique of heating a liquid to create vapor which is collected when cooled separate from the original liquid
- 14. change of state from liquid to solid
- 15. change of state from gas to solid
- 17. Substance substances that are made of only one type of atom
- 18. state of matter where atoms are not to far from each other
- 19. it is a heterogeneous mixture that contains solid particles sufficiently large for sedimentation
- 20. it is a mixture in which the molecules that make up the mixture are uniformly distributed.
- 23. a laboratory technique for the separation of a mixture.
- 24. it is a measure of the amount of matter in an object
- 29. chemistry that deals with inorganic compounds
- 30. state of matter where atoms are far apart.
- 31. what is Ti stands for in period table.
- 33. the 18th element in the periodic table
- 36. the chemistry that study the behavior of matter
- 40. it is the quantity of space occupied by a liquid, solid, or gas.
- 41. is the degree to which a chemical substance or a particular mixture of substances can damage an organism
- 42. it’s the meaning of Au in the periodic table
- 45. what is Fr stands for in periodic table
- 48. in science it means when the properties of the substance is unchanging