Across
- 2. chemical symbol that is a C
- 3. what element do you need to breath
- 7. thousand seven hundred and sixtysix when was hydrogen found
- 8. how many elements were named after scientists
- 9. named after France
- 11. what scientist from New Zealand found the element of
- 12. what is a shiny orange yellow metal used for jewellery
Down
- 1. how many elements were named after countries
- 4. what gives the smallest negative charge
- 5. what does NB stand for
- 6. what does PB stand for
- 10. they have positive charge