Across
- 1. I have 16 electrons total.
- 3. I am a member of group 14 often mistaken for the end of your pencil.
- 4. I have 20 neutrons and am found in your teeth and bones.
- 8. I am the first element in the fourth period used in making fertilizer.
- 9. My atomic number is 47 and I am used to make photographic film.
- 10. I am the only element in the halide family that is a liquid.
- 12. I am a noble gas with 2 electrons.
- 14. I have 26 protons
- 16. I am a metal with 28 electrons.
- 17. My atomic mass is 35.453.
- 18. I am a transition metal with 30 electrons useful in making paint.
- 19. My atomic number is 79.
- 21. You can find me in group 14 in the fifth period.
- 22. I make up 78% of the air and am found in the 15th group.
- 24. I am a member of group 15 with 16 neutrons.
- 25. I am a gas with an atomic mass of 18.99.
Down
- 1. I am a silvery white metal used to make salt.
- 2. I am a metal that is liquid at room temperature.
- 5. I am the head of group 14 known as the "basis of life".
- 6. I am a transition metal with 25 electrons.
- 7. I am a member of group 13 and am the most abundant metal in the Earth's crust.
- 11. I am not really an alkali metal, but since I have only 1 electron I behave like them
- 13. I am the 2nd most abundant element in the Earth's crust and have 14 neutrons.
- 15. I am a gas with 8 protons and 8 neutrons.
- 20. I am a member of the alkaline earth metals used to make fireworks and medicines.
- 23. I am a member of the halide family with an atomic number of 53.