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