science
Across
- 2. conduct electricity better than any other metal
- 4. adds with the amount of protons to find the atomic mass
- 5. how much something weighs
- 6. has a negative charge
- 8. shares some quality's of a metal and a non-metal
- 9. a proton has a positive...
- 10. what is the name of the element named after einstein
- 13. if a particle is not positive or negative it is...
- 15. cl is the symbol for what element
- 16. what element has eight protons
Down
- 1. the rows on the periodic table running side to side
- 3. the smallest form of a element
- 4. what is the name of the 18th Colum on the periodic table
- 5. the periodic table is arranged by...
- 7. what element has 21 neutrons
- 11. different forms of a element
- 12. the group of element on the periodic table running down
- 14. has a positive charge