Across
- 4. when a non metal combines a pure substance
- 5. the total number of protons and neutrons in a nucleus.
- 8. system a closed system is a physical system that doesn't exchange any matter with its surroundings
- 9. a cloudy mixture that cant be separated
- 11. the most stable and nonreactive elements
- 12. A physical property is any property that is measurable, whose value describes a state of a physical system
- 19. mixture the different substance that make up the mixture visible
- 22. A material that is composed of only one type of particle
- 23. make or become liquefied by heat.
- 24. physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
- 25. each horizontal line in a periodic table
- 26. is a cloudy mixture in which tiny particles of one substance are held within each other
- 27. water that collects as droplets on a cold surface when humid air is in contact with it.
Down
- 1. a solid liquid or gas
- 2. are shiny malleable and ductile
- 3. Chemical change is any change that results in the formation of new chemical substances
- 6. have both metal non metals propetries
- 7. most reactive metals
- 10. most reactive non metals
- 12. A physical change is a change in which no new substances are formed
- 13. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
- 14. the new material produced by reaction
- 15. a part or aspect of something abstract, especially one that is essential or characteristic.
- 16. Sublimation is a chemical process where a solid turns into a gas without going through a liquid stage
- 17. the branch of science that deals with the identification of the substances of which matter is composed
- 18. Workplace Hazardous Materials Information System
- 20. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
- 21. the different substance that make it up are not separately visible