Across
- 5. This type of mass is used to organize elements in the periodic table
- 6. The element used as a reference for atomic mass
- 8. Can be mechanical, solutions, suspensions, or colloids
- 9. Pure substances that cannot be broken down further
- 10. Proposed a new system of symbols for elements
- 11. A state of matter that has a definite shape and volume
- 13. A state of matter that has no fixed shape or volume
Down
- 1. Helps organize unstructured scientific information
- 2. Substances formed when two or more elements combine chemically
- 3. Newlands described periodic patterns in elements using this musical term
- 4. Scientists who study and classify elements
- 7. Organized elements into a periodic table and predicted unknown elements
- 12. Elements were first organized by increasing atomic ____