Across
- 3. metals in the middle of the periodic table
- 7. contains all elements
- 10. positive charge
- 12. smallest particle
- 13. the ability for an element to be turned into a wire
- 14. rings around the nucleus
- 17. number of atoms in an element
- 19. distance from nucleous
- 20. columns in a perodic table
- 21. no charge
- 22. center of an atom
- 23. rows in a perodic table
- 25. number that tells how many protons
- 26. the ability for it to be shaped without breaking
Down
- 1. charge of an atom
- 2. group 17
- 4. group 18
- 5. purest form of a substance
- 6. outermost shell
- 8. surrounds the nucleus
- 9. known as amu, how much an atom's weight
- 11. the ability to react
- 15. makes up atoms
- 16. protons+neutrons
- 18. negative charge
- 24. letter to represensurroundsement