Across
- 3. I am a noble gas that often reminds people of Superman’s weakness.
- 4. I am nonmetal but I have the same charge as alkali metals.
- 7. I have two valence electrons and when mistaken with calcium, I can damage human bones.
- 8. I have 26 protons
- 9. I am the name of the group that starts with this name because we fulfill the octet rule.
- 10. I have six valence electrons and am needed by humans to survive.
- 12. I have a charge of +1 and am an important nutrient that can be found in bananas.
- 13. I am a halogen who reacts with sodium to form salt.
- 15. I am an alkaline earth metal that humans need through milk and dairy.
Down
- 1. I am a transition metal with 25 protons.
- 2. I am a transition metal that is used to make pennies
- 5. I am a metalloid whose name sounds like Germany.
- 6. I am the name of the group of elements that all have a charge of -1
- 11. I am an element located in group 3, period 5
- 14. I am the noble gas with the lowest atomic mass.