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