Across
- 3. this element is the first of the transition metals
- 4. this transition metal's atomic symbol is Y
- 6. this element is the lightest of the metalloids
- 9. this element has a mass of 1.008u
- 10. this element is fifth in the noble gases
Down
- 1. this element has the highest mass of the alkali metals
- 2. this element is the heaviest of the metalloids
- 5. this element is a liquid at 0 degrees celsius
- 7. this alkali metal was discovered in 1861
- 8. this element has the symbol Sb
