Related Clues:

• Ballot casters
• Periodic Table list
• Periodic table listings
• Campaign ad targets
• Ingredients
• Periodic-table entries
• Gold and silver, e.g.
• Weather, with "the"
• Copper and carbon
• Fire, air, water and earth
• First principles
• Rain, snow, sleet, etc., with "the"
• Periodic table listing
• They may take poll positions
• Select group?