Across
- 5. Anything made of atoms that takes up space, and has mass
- 6. The group of elements that share similar properties
- 7. Measure of gravitational pull on an object
- 9. A substance formed when two elements are chemically combined
- 11. Amount of space something takes up
- 12. The letters that an element is defined by
- 13. Negatively charged particle that adds weight to an atom
- 15. Amount of matter in an object
- 16. A substance formed when two elements are physically combined
- 17. How closely spaced the atoms in an object are
- 19. Positively charged particle that defines the atom
Down
- 1. The number which an element is defined by
- 2. A substance dissolved in another substance
- 3. Number of elecrons in the outer shell (orbital)
- 4. Horizontal row of elements
- 8. The digits at the bottom of an element
- 10. Rule that states "atoms will always react unless they have a full shell."
- 11. How fast or slow a liquid flows
- 14. Neutral particle that appears in the nucleus
- 18. An electrically charged element formed by electron movement