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