Across
- 1. an airlike substance
- 4. large body of matter with no definite shape
- 5. element number 10
- 8. the strength required for something physical or mental
- 10. something with indefinite volume
- 11. symbol of element number 3
- 13. element number 19
- 15. no charge
- 18. positive charge
- 19. Element number 8
- 20. symbol of the element Silver
- 22. middle of an atom
- 23. colorless fluid part of blood
- 25. something that has shape and volume
Down
- 2. a thing that represents something else
- 3. horizontal rows
- 6. the second element on the periodic table
- 7. the first element on the periodic table
- 9. symbol of the element Gold
- 12. element number 7
- 14. anything that takes up space
- 16. element number 20
- 17. negative charge
- 21. vertical columns
- 24. the basic unit of an element