Across
- 3. The wide spreading of something
- 6. A representative character
- 7. Anything that has mass and volume and takes up space
- 9. The smallest particle that can exist
- 11. A tiny portion of matter
- 12. The total amount of protons and neutrons in a nucleous
- 17. A solid conductive material
- 19. A thing that is composed of 2 or more elements
- 20. An essential part of something molecules A group of atoms
- 21. Any of the elements in group VIIA on the periodic table
- 23. An intermediate property, that has some metallic properties
- 24. Smaller than or occurring in an atom
- 25. A stable particle with positive
- 27. many protons it has
- 28. A capability to perform work
- 29. A metal made by combining 2 or more metallic elements
- 30. An ordered table of the ordered elements
Down
- 1. A dense organelle that contains dna
- 2. Any of the elements in group IA on the periodic table
- 4. A number of things
- 5. A large gathering of things
- 8. The number of protons in an atom nucleus
- 10. The identity of an element depending on
- 13. Any of the elements in group IIA on the periodic table
- 14. A stable particle with negative electricity
- 15. The theory that explains the physical properties of matter
- 16. Movement of solvent molecules through a selective permeable region
- 18. A substance that is not metal
- 22. A particle without an electric charge
- 26. A portion of time