Related Clues:

• Tiny bit to split
• 'And -- the opposite shore will be'
• Unit proposed by Leucippus
• Half the alphabet?
• Bit of beryllium
• Minimal molybdenum
• Molecule constituent
• Particle accelerator particle
• 1/100 of a drachma
• One in an accelerated program?
• Word that comes from the Greek for 'indivisible'
• Short-lived, charged lepton
• Teeny particle
• Particle with six flavors
• Item that's always charged