Across
- 3. I am a member of the nitrogen family with 16 neutrons.
- 9. My atomic mass is 35.453.
- 11. I make up 78% of the air and am found in the 15th group.
- 13. I am known as the “basis of life”.
- 14. You can find me in the carbon family in the fifth period.
- 15. I have 2 electrons in the first shell, 8 in the second shell, and 6 in the third shell.
- 16. I am a metal with 28 electrons.
- 18. My atomic number is 47 and I am used to make photographic film.
- 19. When Uranium breaks down I am produced and also used in balloons
- 22. I am a transition metal and the hardest and used to make metal balls for hip replacements because I don’t rust
- 24. I am a metal that is liquid at room temperature.
- 25. I am a member of the halide family and I sublime
- 26. I am a member of the boron family and am the most abundant metal in the Earth’s crust.
Down
- 1. Nothing can burn without me
- 2. I am the 2nd most abundant element in the Earth’s crust and can be found on any beach
- 4. I am the first element in the fourth period used in making fertilizer.
- 5. I am a silvery soft white metal used to make table salt.
- 6. I am a gas with a mass number of 19.
- 7. I am a member of the alkaline earth metals used to make fireworks
- 8. I am the only element in the halide family that is a liquid
- 10. I am not really an alkali metal, but since I have only 1 electron I behave like them.
- 12. Au
- 13. I am found in your teeth and bones.
- 17. I am used to make jewelry for people who are allergic to 15 karat gold or silver
- 20. I am a member of the carbon family often mistaken for the end of your pencil.
- 21. I have 26 protons.
- 23. My symbol is often confused with that of Magnesium