Across
- 1. I am a member of the nitrogen family with 16 neutrons
- 5. I am the only nonmetal that is liquid at room temperature
- 9. I am an alkali metal used to make fertilizer
- 11. I make up 78% of the atmosphere
- 12. I am the second most abundant element in the Earth's crust and used to make computers
- 13. In addition to copper and cesium, I am a metal that is not silver or gray in color
- 14. I have 2 electrons in the first shell, 8 in the second shell, and 6 in the third shell
- 15. I am a metal in the carbon family in the 5th period
- 18. I am a member of the carbon family and often mistaken for the end of your pencil
- 19. I am a metal that is liquid at room temperature
- 21. I am not really an alkali metal
- 22. I am an alkaline earth metal used to make white fireworks and upset stomach medicine
- 24. I am a metal with 28 electrons
Down
- 2. I am a gas with 8 protons and 8 neutrons
- 3. My atomic mass is 35.453
- 4. I have 20 neutrons and am found in bones and teeth
- 6. I have 26 protons
- 7. If I am present in a compound, it is called an organic compound
- 8. I am a transition metal found inside a new penny
- 10. I am a transition metal with 25 electrons
- 12. My atomic number is 47 and I am used to make photographic films
- 14. I am a soft metal that reacts with water, and I am the most abundant metal in the ocean
- 16. I am a halogen that appears purple or yellow
- 17. I am a gas with a mass number of 18.99 amu
- 20. I am the smallest noble gas
- 23. I am a member of the boron family and the most abundant metal in the Earth's crust