Solve these clues to fill the grid.
- A light soft silver-white metallic element of the alkali metal group
- 1 Across
- A colorless toxic gas that occurs in the gases from volcanoes
- 5 Across
- A colorless odorless gas used as a fuel
- 7 Across
- A soft heavy toxic malleable metallic element
- 8 Across
- A very light colorless element that is one of the six inert gasses
- 9 Across
- A heavy odorless colorless gas formed during respiration and by the decomposition of organic
- 10 Across
- Shiny yellow metal used in jewelry
- 13 Across
- A soft white precious univalent metallic element having the highest electrical and thermal
- 14 Across
- The smallest planet and the nearest to the sun
- 15 Across
- A white crystalline solid consisting mainly of ___ ___
- 2 Down
- The intoxicating agent in fermented and distilled liquors
- 3 Down
- A common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas
- 4 Down
- Clear liquid we drink that falls as rain
- 6 Down
- A nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic
- 9 Down
- A silvery ductile metallic element found primarily in bauxite
- 11 Down
- Gas in the air that we need to breathe
- 12 Down