Across
- 2. I am the first element in the fourth period used in making fertilizer
- 4. I am the head of the carbon family known as the "basis of life"
- 6. I am a gas with 8 protons and 8 neutrons
- 7. I am a member of the alkaline earth metals used to make fireworks and medicines
- 8. I have 2 electrons in the first shell, 8 electrons in the second shell, and 6 in the third shell
- 11. I am a noble gas with 2 electrons
- 13. I make up 78% of the air and am found in the 15th group
- 15. I am a transition metal with 30 electrons useful in making paint
- 16. I am a metal with 28 electrons
- 19. I am a member of the nitrogen family with 16 neutrons
- 24. I am a member of the halide family with an atomic number of 53
- 25. I am a member of the Boron family and am the most abundant metal in Earth's crust
- 26. My atomic number is 35.453
Down
- 1. I am a transition metal with 25 electrons
- 3. I have 26 protons
- 5. I am not really an alkali metal, but since I have 1 electron I behave like them
- 9. I am a gas with a mass of 19
- 10. My atomic number is 47 and I am used to make photographic film
- 12. I am a metal that is a liquid at room temperature
- 14. You can find me in the Carbon family in the fifth period
- 17. I have 20 neutrons and am found in your teeth and bones
- 18. I am a silvery white metal used to make salt
- 20. I am the second most abundant element in the Earth's crust and have 14 neutrons
- 21. I am the only element in the halide family that is a liquid
- 22. My atomic number is 79
- 23. I am a member of the carbon family often mistaken for the end of your pencil