Across
- 3. _____ Electrons: Electrons in the outermost orbital of the atom
- 4. Different types of atoms, bonded together
- 7. Made up of two or more substances
- 8. A state of matter where particles resist some forces of attraction and can flow around each other
- 11. A state of matter where particles move very quickly, overcoming attractive forces
- 13. __________ metals (Two Words: 8,5): Reactive metals, but not as strongly as Group 1
- 16. Multiple atoms bound together
- 17. _____ substance: A substance that is made up of only one type of particle
- 20. A neutral subatomic particle
- 24. A powder that forms when two liquids are mixed together
- 25. The process of turning a solid into a liquid
- 26. Very reactive non-metals
- 28. _____ change: the chemical composition of the substance has not changed
- 29. _____ Metals: Very strongly reactive metals
- 31. _____ Number: an identifying number that is unique for each element
- 32. _____ Mixture: A mixture that is non-uniform - you can each type of substance
- 33. Elements that are dull, brittle, and poor conductors of electricity
Down
- 1. A row on the periodic table
- 2. The process of turning a gas into a liquid
- 5. _____ Change: the chemical composition of the substance has changed
- 6. The same type of atom, either separate or bonded together
- 9. A negatively charged subatomic particle
- 10. The process of turning a liquid into a solid
- 11. A column on the periodic table
- 12. A state of matter characterized by low-particle movement
- 14. _____ Mixture: A mixture that appears uniform in composition; A solution
- 15. The process of turning a gas into a solid
- 18. The process of turning a liquid into a gas
- 19. ______ property: A property describing the substance by itself
- 21. _______ metals: Elements in the middle of the Periodic Table with low-reactivity
- 22. _____ Number: Protons + Neutrons
- 23. The process of turning a solid into a gas
- 25. Elements with properties of metals and non-metals
- 27. Elements that are shiny, malleable, and conduct electricity
- 28. A positively charged subatomic particle
- 30. ______ property: A property describing the ability for the substance to interact with something else
- 34. _____ Gases: Non-reactive gasses
