Across
- 3. Symbol the abbreviation for elements found on the periodic table
- 6. composed of 2 or more compounds physically combined
- 9. the part of an atom with a positive charge
- 10. Gases the family of the periodic table that do not react to anything
- 11. a way of separating a water mixture
- 13. a solid formed after a chemical reaction
- 15. everything to the right of the “staircase” line is a _________
- 17. the part of an atom with no charge
- 18. another name for the rows in the periodic table
Down
- 1. the most basic unit in chemistry
- 2. everything to the left of the “staircase” line is a ______
- 4. a substance made of 2 or more elements chemically combined
- 5. the last name of the “father” of the periodic table
- 7. a tool used to find how compounds fit together
- 8. a way of separating a liquid to solid mixture
- 12. a part of an atom with a negative charge
- 14. Electrons the name of the electrons in the outermost shell of an atom
- 16. a way of separating a solid to solid mixture
