Across
- 2. The columns of the periodic table shows valence electrons.
- 3. Something that is malleable.
- 5. The rows of the periodic table shows the amount of shells.
- 7. Oxygen falls in this category.
- 8. Determines the elements identity.
Down
- 1. Something inside the nucleus that has no electric charge.
- 4. Something that is shiny or dull.
- 6. Something that is not in nucleus.