Across
- 2. number The sum of the number of protons and neutrons in its nucleus
- 6. phase change in which liquid is converted to gas
- 9. Organic compound with carbon and oxygen only
- 11. separation The separation of elemental metals from the mixtures
- 14. Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- 16. a substance or object that is solid rather than liquid or fluid
- 19. Horizontal row in the periodic table
- 21. mixture Mixture whose a composition varies from position to position within a sample.
- 23. The quantity of matter in the body
- 24. Negatively charged subatomic particle of an atom
- 26. level Specific energy value of electrons for an atom
- 28. chemistry it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- 31. Elements at the left side and in the center of the periodic table
- 33. a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
- 36. Formed when atom loses or gains electron
- 38. the size length or amount of something as established by measuring.
- 39. a metric unit of capacity formerly defined as the volume of one kilogram of water under standard conditions now equal to 1 000 cubic centimeters
- 40. figures The digits in any measurement that are known with certainty plus one digit which is uncertain
- 43. inner transition elements located in the first row of the f block in the periodic table
- 44. bond Formed by losing and gaining of electrons between metal and nonmetal
- 47. Chemistry it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- 48. it is a branch of chemistry that studies the chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life.
Down
- 1. Separates components of mixture at different boiling points.
- 3. Composed of two or more substances combined physically in variable proportions
- 4. Phase change that involves the conversion from solid to liquid
- 5. Positively charged subatomic particle of an atom
- 7. Element that appears at the far right side of the periodic table
- 8. the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact combine and change; and the use of these processes to form new substances.
- 10. Ratio of the mass of an object to the volume occupied by that object.
- 12. a metric unit of length equal to one hundredth of a meter.
- 13. mixture Called as solution a mixture with uniform composition.
- 15. The amount of space occupied by a substance
- 17. Group 7A elements
- 18. Phase change in which liquid is converted to solid
- 20. chemistry the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- 22. chemistry it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- 23. the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- 24. Substance consisting of only one kind of atom
- 25. Anything that has mass and occupies space
- 27. gas insert gas located at the rightmost side of the periodic table
- 29. the measurement or extent of something from end to end.
- 30. a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- 32. physical property physical property that does not depend on the size or amount of the sample
- 34. mass Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- 35. rule states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- 37. a period of time equal to sixty seconds or a sixtieth of an hour.
- 41. Elements found in the zigzag order in the periodic table
- 42. movement of one fluid through another.
- 45. Uncharged particle found within the atomic nuclei
- 46. compound Compound that consists of two charged ions