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