Across
- 2. a hard gray metal.
- 4. carbon
- 8. forms about 78% of the earth's atmosphere.
- 9. the lightest member of the noble gas series.
- 11. a soft, bright white metal that is resistant to corrosion.
Down
- 1. a colorless, odorless, highly flammable gas,
- 3. the life-supporting component of the air.
- 5. a reddish, metal with high thermal and electrical conductivity
- 6. a strong, lightweight, silvery-gray metal
- 7. A type of electrolyte that helps you body function properly.
- 10. a mineral that our bodies need for growth and development