Elements crossword
Across
- 1. recovered from the ocean floor Cape of Good Hope symbol C
- 4. its atomic number is 10 it is a noble gas in group 18
- 5. discovered in 1898 chemical symbol is Kr
- 6. verticle on the periodic table
- 8. atomic number 4 and in group 2
- 9. table table of the chemical elements
- 11. its chemical symbol is O
- 12. group 17 atomic weight of 18.9984032
- 13. horizontal on the periodic table
Down
- 2. chemical symbol that is Br
- 3. the element under hydrogen
- 7. the very first element on the periodic table
- 10. has the second smallest atomic number