Across
- 1. This metal group is the most reactive and 1valence electron.
- 6. It is a stable subatomic particle with a charge of negative electricity.
- 11. This metal group has 2 valence electrons and is not found in element form in nature.
- 12. Sodium and Chlorine make this
- 15. Sulfur, Oxygen, Helium, and Nitrogen are all an example of this.
- 16. Non-metal gases that are very useful because of their stability.
- 17. This element is the only non-metal that is a liquid at room temperature.
- 19. This element is Natrium in English.
- 20. All the elements have the same valence electrons in this.
Down
- 2. This element is used for batteries bipolar disease.
- 3. This element is has 20 protons.
- 4. It is the same number at the atomic number and gives off a positive electric charge.
- 5. These are elements that are shiny, good conductors, malleable, ductile, and solid.
- 7. A non-metal group that is extremely reactive in element form.
- 8. This element is used in medicine to diagnose digestive disorders.
- 9. H2O is the chemical formula for this
- 10. These elements are gases at room temperature, dull, and brittle.
- 13. This element is radioactive and is used in cancer therapies.
- 14. It is the horizontal rows on the periodic table.
- 18. This element at room temperature is yellow and solid.