Across
- 2. You can find me in the same family as carbon in the fifth period
- 3. My atomic number is 47 and I am used to make photographic film
- 4. In my neutral atom I have 2 electrons in the first energy level, 8 in the second and 6 in the third
- 6. My atomic mass is 35.45 amu
- 8. I am the transition metal in period 4 with the greatest number of protons
- 11. I am the only nonmetal in group 14
- 12. I am the alkaline earth metal found in your teeth and bones
- 14. My atomic nunber is 79
- 15. I am not a metal, but am a member of the alkali metal family since I behave like them
- 17. I am the noble gas in period 1
- 19. I have 26 protons
- 20. I am the alkali metal found in table salt
- 22. I am the halogen in period 5
- 23. I am the lightest member of the halogen family
- 25. I am a transition metal which has 25 electrons in its neutral atom
Down
- 1. I am the first element in the fourth period and used in fertilizers
- 4. I am the only metalloid in period 3
- 5. I am the only metal that is a liquid at room temperature
- 7. I am the only member of family 16 that is a gas at room temperature
- 9. I am a metal with 28 electrons in its neutral atom
- 10. I am the only halogen that is a liquid at room temperature
- 13. I am a member of the alkaline earth metals used to make fireworks
- 16. I am a member of the same family as boron, and am the most abundant metal in the Earth's crust
- 18. I am the nonmetal member of family 15 that is not a gas at room temperature
- 21. I make up 78% of the air around you and am a member of family 15
- 24. I am a member of family 14 and period 6