Across
- 2. I am the head of the carbon family and am known as the basis for life
- 7. I am a member of the carbon family often mistaken for the end of your pencil
- 9. My atomic number is 47 and I am used to make jewelry
- 10. I am a transition metal with 27 electrons
- 12. I am a member of the halide family with an atomic number of 53
- 13. I am a silvery white metal used to make table salt
- 17. I am a metal that is liquid at room temperature
- 18. I make up 78% of the air in the atmosphere and am found in the 15th group
- 20. I am a noble gas with 2 electrons
- 22. I have 26 protons
- 23. I am not really an alkali metal but since I have only 1 electron I behave like them
- 24. I am a member of the nitrogen family with 16 neutrons
- 26. you can find me in the carbon family (group 14) in the fifth period
Down
- 1. I am the only non-metal that is a liquid at room temperature
- 3. I am the 2nd most abundant element in the Earth's crust and have 14 neutrons
- 4. My atomic number is 79
- 5. I have 20 neutrons and am found in your teeth and bones
- 6. I am a gas with a mass number of 19
- 8. I am a member of the boron family and am the most abundant metal in the Earth's crust
- 11. I am a transition metal with 30 electrons and am useful in making paint
- 14. I am a gas with 8 protons and 8 neutrons
- 15. I am the first element in the fourth period used in making fertilizer
- 16. I am a member of the alkaline earth metals and have 3 energy levels
- 19. I am a metal with 28 electrons
- 21. my atomic mass is 35.5
- 25. I have 2 electrons in the first shell, 8 in the second shell and 6 in the third shell