Across
- 2. the process you have to go through before doing an experiment
- 6. when a gas turns into a solid
- 7. the universal solvent
- 9. the outcome of mixing things together during an experiment
- 12. model in which electrons orbit the nucleus
- 13. a radioactive metal represented as "U"
- 14. the unit of measurement found at the top of the metric conversion system
Down
- 1. the name before iron was called iron
- 3. when a liquid turns into a gas
- 4. the electrons found on the last circle around a nucleus
- 5. the famous table where you find all elements
- 8. an observation that does not involve numbers
- 10. the number found a little below an element that tells you how many atoms are found in that element
- 11. the element with an element symbol of "Li"
- 15. a state of matter usually found in the atmosphere