Related Clues:

• Microscopic particles
• Motes
• They get smashed
• Scarcely detectable amounts
• They split when they're smashed
• Traces
• Particles invisible to the naked eye
• Molecule parts
• Itty-bitty bits
• Some Greek vowels
• Links in certain chains
• They form bonds
• Itty bits
• Chemistry bits
• Scintillas