Across
- 2. I am an other nonmetal and I have an average of 16 neutrons
- 4. I have 20 neutrons on average and I am found in your teeth and bones
- 5. I am a member of the carbon family often mistaken for the end of your pencil
- 6. I have 26 protons
- 8. I have 4 valence electrons and 5 energy levels.
- 10. My atomic number is 79
- 12. I am the second most abundant element in the Earths crust and have 14 neutrons
- 14. I am not really an alkali metal, but since I have only 1 electron I behave like them.
- 15. I have 2 electrons in the first shell, 8 in the second shell, and 6 in the third shell
- 18. I am a transition metal with 25 electrons
- 20. I am a gass with a mass of 19amu
- 22. I am a metal that is liquid at room temperature
- 23. I am a transition metal with 30 electrons useful in making paint
- 24. I am a member of the alkaline earth metals used to make fireworks and medicines
- 25. I am the only halogen that is a liquid at room temperature
Down
- 1. I am the only halogen that is solid at room temperature
- 3. I am a silvery white metal used to make table salt
- 4. I am a nonmetal with four valence electrons known as the "basis of life"
- 7. I am the first element in the fourth period used in making fertilizer
- 9. I am a metal with 28 electrons
- 11. I make up 78% of the air and I have 5 valence electrons
- 13. My atomic mass is 35.45amu.
- 16. My atomic number is 47 and I am used to make photographic film
- 17. I am a nobel gas with 2 electrons
- 19. I am a member of the boron family and am the most abundant metal in the Earth's crust
- 21. I am a gas with 8 electrons and 8 neutrons