Across
- 3. an atom that has lost electrons
- 7. has no charge in an atom
- 10. the lightest element on the periodic table
- 11. determines the amount of protons
- 13. the vertical columns of a periodic table
- 14. the positive charge in a atom
- 15. A cylindrical holder for measuring solution
- 17. negatively charged ion
Down
- 1. Used to magnify microscopic organisms
- 2. The heaviest atom on the periodic table
- 4. Has the atomic number 15 and atomic weight of 31
- 5. contains one hydrogen and two oxygen atoms
- 6. a diagram created by bohr rutherford
- 8. the negative charge in an atom
- 9. positively charged ion
- 12. different species of atoms of an element
- 15. Used to heat up objects or solutions
- 16. has the atomic number 2 and atomic weight of 4