Across
- 3. have particles that are close together in a fixed arrangement
- 4. neutral charge
- 7. material that makes up all things
- 8. negative charge
- 9. are located to the right of the periodic table
- 11. composed of two or more elements always combined in the same proportion
- 13. have particles that are far apart and move very fast
- 14. located to the left of the periodic table
- 16. are horizontal rows of elements, counted from top to bottom of the table as Periods 1−7.
Down
- 1. contain elements with similar properties in vertical columns.
- 2. negatively charged ions
- 5. composed of one type of atom
- 6. positively charged ions
- 7. are located along the heavy zigzag line of the periodic table
- 10. most abundant element
- 11. the study of the composition, structure, properties,and reactions of matter
- 12. positive charge
- 15. have particles that are close together but mobile