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