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