Across
- 2. the study of chemistry in physics
- 4. chemical element with the symbol Au
- 6. A substance made up of two or more elements that are joined together in a fixed ratio.
- 9. is the power to attract
- 13. chemical element with the symbol Ne
- 15. the study of chemical processes that occur inside of living organisms
- 18. process used to separate solids from liquids or gases using a filter medium that allows the fluid to pass through but not the solid
- 20. when heat is applied to solid
- 21. is a subatomic particle found in the nucleus of every atom
- 22. (state of matter) has a definite volume, it does not have a definite shape.
- 23. the study of the chemistry of matter
- 27. is the study of matter and the chemical reactions between substances.
- 29. process in which a gas changes directly to a solid without going through the liquid state
- 30. a method in which two or more components of different sizes are separated from a mixture on the basis of the difference in their sizes.
- 32. to pass through a sieve so as to separate the coarse from the fine particles
- 33. process by which water changes from a liquid to a gas or vapor.
- 35. Any characteristic that can be determined without changing the substance’s chemical identity.
- 36. chemical element with the symbol O
- 39. chemical element with the symbol Si
- 40. poor thermal conductors
- 44. are ordorless, colorless, monotonic gases.
- 45. process through which a substance changes from a liquid to a solid
- 47. consists of highly charged particles with extremely high kinetic energy.
- 48. is a particle made up of two or more atoms that are chemically bonded together
- 49. is a negatively charged subatomic particle
- 50. is a chemical substance that cant be divided or changed into other chemical substances by any ordinary chemical means
- 52. does not have a definite composition and is non uniform
Down
- 1. the conversion of liquid to gas
- 3. occurs when a gas loses energy
- 5. any material that is not a mixture
- 7. the study of the chemistry of life
- 8. is the method in which heavier components of the mixture are separated from the lighter substances with the help of wind
- 10. is anything that has mass and takes up space.
- 11. Also known as semi-metals .have mostly non-metallic properties.
- 12. Any characteristic that can be determined only by changing a substance’s molecular structure.
- 14. has definite composition, and specific properties.
- 16. chemical element with the symbol H
- 17. when a solid is converted directly into gas
- 19. a homogenous mixture of two or more element
- 24. of matter) consisting of particles that have neither a defined volume nor defined shape.
- 25. are good conductors of heat
- 26. the substance that is dissolved or scattered
- 28. process used to separate solids from liquids or gases using a strainer
- 31. Any characteristic of matter that depends on the amount of matter being measured.
- 34. the surname of the chemist who developed periodic table
- 37. a neutral subatomic particle found in the atomic nucleus
- 38. is the smallest object that retains the properties of an element
- 41. (state of matter) characterized by particles arranged such that their shape and volume are relatively stable.
- 42. Any characteristic of matter that does not depend on the amount of the substance present.
- 43. combination of two or more substances
- 46. the study of inorganic compounds
- 51. something that was forced to be mixed