vocab list 2
Across
- 1. a particle consisting of two or more Atoms covalently bonded together
- 5. the state of matter in which particles vibrate in fixed postions
- 8. a pure substance that consists of atoms with the same atomic number
- 9. a model that states that all phy
- 12. the change of state from a liquid to gas
- 14. the relatively slow form of vaporization in which liquid particles obtain sufficient energy to change to the gaseous state through the random collisions of particles
- 16. a property of a substance that describes how its chemical identity changes in the presence of another substance or under certain conditions
- 17. the relatively fast form of vaporization in which the energy within the liquid than the air pressure outside the liquid
- 19. a gas like state of matter formed at very high temperatures
- 22. the change in state directly from a gas to a solid without condensing first
- 23. any change in matter that does not alter its chemical or nuclear composition
- 25. the building block of all matter; consists of protons electrons and neutrons
- 27. a mixture that does not have a uniform appearance since the combined substances are unevenly distributed
- 28. the mass per unit volume of an object
- 29. anything that has mass and occupies space
- 30. a pure substance consisting of atoms of two or more elements that are chemically combined in a fixed ratio
- 31. the state of matter in which particles are close together but able to move around
- 33. the temperature at which something melts
- 34. a change that alters the chemical composition of a substance
Down
- 2. the law that states that matter can neither be created nor destroyed, but can only change form
- 3. a physical combination of two or more substances in a changeable ratio
- 4. the change of state from a gas to a liquid
- 6. the law that states that the masses of chemical substances combine in definite
- 7. the change of state from a liquid to a solid
- 10. the measure of the amount of matter in an object
- 11. the temperature at which a liquid starts to boil
- 13. a material made of only one kind of element or compound
- 15. anything about a substance that can be observed or measured without altering its chemical composition
- 18. the state of matter in which particles are far apart, move rapidly, and have little interaction with each other
- 20. the change in state directly form a solid to a gas without melting first
- 21. the force of gravity acting on the matter in an object
- 24. a mixture that has a uniform appearance throughout; also know as a solution
- 26. the space enclosed or occupied by an object
- 32. the change of state from a solid to a liquid