Across
- 1. _____ chemistry is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
- 4. It is denoted by the symbol “p” in the SI that is in the trillionth numerical value.
- 8. A type of chemical property: whether the substance undergoes combustion or not.
- 12. It is a simple technique for separating dry mixtures.
- 13. This type of change occurs when the internal make-up of the matter stays the same even after the change.
- 18. In _____ and division, the answer must have the same number of significant figures as the measured number with the lowest number of significant figures.
- 19. These are composed of two or more substances combined physically in variable proportions.
- 20. _____ notation is used in counting the number of significant figures.
- 21. It is the process of determining the extent of the dimensions, quantity, or extent of something.
- 22. It is denoted by the symbol “c” in the SI that is in the hundredth numerical value.
- 23. It is denoted by the symbol “T” in the SI that is in the trillionth numerical value
- 24. It is used to quantify the electric current with the “A” symbol.
- 27. It tells how close a measured value is to the “true” value.
- 30. It is a mixture whose composition varies from one position to another within the sample.
- 32. It is the smallest particle of an element.
- 33. It is used to quantify the temperature with the “K” symbol.
- 35. It is the state of matter when particles are neither too close nor too far from each other.
- 36. _____ chemistry is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles and concepts of physics such as motion, energy, force, and time.
- 38. It exhibits the Tyndall Effect. It consist of dispersed phase or the substance that is dissolved or scattered.
- 40. It is denoted by the symbol “m” in International System of Units in the thousandth numerical value.
- 43. It is denoted by the symbol “d” in the SI that is in the tenth numerical value.
- 44. In addition and ______, the answer must have the same number of decimal places as the measured number with the least number of decimal places.
- 46. A type of chemical property: whether the substance can damage an organism or not.
- 47. ____s between nonzero digits are significant.
- 48. Hand ____ is the simplest method in separating mixtures.
Down
- 2. A type of chemical property: whether it reacts with acids, bases, and oxygen, gas, or not.
- 3. A type of chemical property: whether the substance can be easily decomposed or not.
- 5. It is the process of separating elemental metals from other particles in a mixture.
- 6. It refers to how the values agree closely with one another.
- 7. It is used to quantify the mass with the “kg” symbol.
- 9. This physical property is also called as intrinsic property that does not depend on the size or amount of the sample.
- 10. Extensive physical property is also called as _____ property.
- 11. ____ figures are the digits in any measurement that are known with certainty, plus one digit which is uncertain.
- 14. It is a mixture that is also called as solution since it is relatively uniform in composition.
- 15. It is a process of separating the components of a suspension. An example of a mixture that can be separated through this is sand and water solution.
- 16. This type of change occurs when a substance is converted into a new substance.
- 17. It is the simplest form of matter since it is composed of only one kind of atom.
- 21. It is used to quantify the length with the “m” symbol.
- 25. It is denoted by the symbol “G” in the SI that is in the billionth numerical value.
- 26. It is the state of matter when particles are far apart from each other.
- 28. It occurs when gas turns into solid.
- 29. It is used to quantify the time with the “s” symbol.
- 31. It is the state of matter when particles are very close to each other.
- 34. It is the process of converting liquid to gas.
- 37. It occurs when solid turns into gas by the addition of heat.
- 38. It is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
- 39. A type of chemical property: whether it will break into charged particles when in solution with water or not.
- 41. It is denoted by the symbol “M” in the SI that is in the millionth numerical value.
- 42. It is anything that has mass and occupies space.
- 45. It is generally used by farmers to separate grains from stalks after harvesting.