Related Clues:

• It carries a charge
• Sometimes it gets smashed
• Lithium-___ battery
• Proton's place
• Cyclotron bit
• Particle in a quark model
• Teeny bit
• Source of nuclear energy
• Play by Euripides
• Nuclear energy source
• Smallest amount
• Kind of exchange
• Electrically charged particle
• It's attractive
• With 60-Across, 1960's TV cartoon hero