Across
- 1. I am a noble gas with 2 electrons and a sunny disposition.
- 6. You can find me in the carbon family in the fifth period.
- 8. I am a gas with 8 protons and 8 neutrons and help things burn!
- 9. I am a member of the nitrogen family with 16 neutrons.
- 11. My relative atomic mass is 35.5.
- 12. I am a member of the boron family and am the most abundant metal in the Earth’s crust.
- 13. I am a metal that is liquid at room temperature – ‘quicksilver’ is my ancient name.
- 15. I am the head of the fourth group and am known as the ‘basis of life’.
- 17. My atomic number is 79
- 21. I am a member of the halogen family with an atomic number of 53.
- 23. I am the second most abundant element in the Earth’s crust and have 14 neutrons.
- 25. My atomic number is 47 and I am used to make photographic film.
- 26. I am not really an alkali metal, but since I have only 1 electron I form an X ion.
Down
- 2. I am a member of the alkaline earth metals and have a great deal of flare!
- 3. I am the first element in the fourth period, an ingredient in many fertilizers
- 4. I am a metal with 28 electrons.
- 5. I am a gas with a mass number of 19.
- 7. I have 20 neutrons and am found in your teeth and bones.
- 10. I make up 78% of dry air and am the first initial of NPK.
- 14. I am a transition metal with 25 electrons.
- 16. I am the only element in the halogen family that is a liquid.
- 18. I am a silvery white metal used to make salt.
- 19. I am a transition metal with 30 electrons and tend to galvanize things!
- 20. I have 2 electrons in the first shell, 8 in the second shell, and 6 in the third shell.
- 22. I am a member of the carbon family often mistaken for the end of your pencil.
- 24. The nuclei of my atoms contain 26 protons.