Across
- 1. and centrifugation are processes of separating heterogeneous mixtures. These do not use filters or strainers.
- 3. has various methods that can be used in separating mixtures such as paper chromatography.
- 6. consist of substance that is dissolved or scattered.
- 9. is a state of matter which particles are close together but are not held so rigidly in position and can move past one another.
- 11. and addition answers must have the same number of decimal places as the measured number with the least number of decimal places.
- 13. physical property can be affected by the size and amount of samples.
- 15. property of matter is the ability of a substance to react with other substances.
- 18. is the unit for luminous intensity.
- 19. is an example of extensive property. It is the form of an object.
- 21. can never be exact.
- 24. is the most convenient system of units.
- 25. are composed of two or more substances combined physically.
- 29. is considered as an intensive property of matter. It refers to the ability to conduct electricity.
- 31. physical property does not depend on the size or amount of the sample.
- 35. is an example of extensive property. The amount of space that a substance or object occupies.
- 38. is the smallest particle of an element.
- 41. is a process of changing solid to gas without passing through the liquid state.
- 42. has symbol “G” and billion on numerical value.
- 43. is the unit for the amount of substance.
- 44. and multiplication answers must have the same number of significant figures as the measured number with the lowest number of significant figures.
- 46. is the process of converting liquid to gas.
- 48. is a branch of chemistry that is an art and science of determining.
- 49. is a state of matter which particles are far apart from each other and are arranged in a random way.
- 50. consist of coarse particles that are unstable since they settle dowm after a short period of time.
Down
- 2. is relatively close to the “true” value.
- 4. is a chemical property that was described as whether the substance undergoes combustion or not.
- 5. properties of matter are those that can be measured and observed without changing the composition of the substance.
- 7. is a branch of chemistry which means biological chemistry. It involves the production of ATP.
- 8. figures are the digits in any measurement that are known with certainty with an additional one digit which is uncertain.
- 10. is whether the substance can damage an organism or not.
- 12. mixture whose composition varies from one position to another.
- 14. has symbol “n” and billionth on numerical value.
- 16. is the simplest form of matter.
- 17. is whether it reacts with acids,bases,oxygen and gas or not.
- 20. is the consistency of result.
- 22. is a process of separating a homogeneous mixture composed of two substances with different boiling points.
- 23. is the unit for length.
- 26. is a branch of chemistry that involves other elements bonded other than hydrogen and carbon.
- 27. substance is a matter that has a definite composition and distinct properties.
- 28. is the study of matter that is made of solid,liquid and gas.
- 30. is a chemical property that was described as whether the substance can be easily decomposed or not.
- 32. is the substance which remains in the strainer.
- 33. is also called a homogeneous mixture.
- 34. is considered as an intensive property of matter. It refers to the space of an object or substance takes up in relation to the amount of matter in that object or substance.
- 36. has symbol “M” and million on numerical value.
- 37. is the unit for electric current.
- 39. separation is the process of separating elemental metals from other particles in a mixture.
- 40. is a pure substance containing two or more kinds of atom chemically combined.
- 43. has symbol “m” and thousandths on numerical value.
- 45. is a process of separating the components of a suspension.
- 47. is a state of matter which particles are close together.