Related Clues:

• It may have an extra electron
• Physics subject
• Greek sorceress
• See 41-Down
• Jiltee of myth
• Hydrolysis atom
• Ca++ or Cl-, e.g.
• Sophocles play
• Euripides play
• Product of a solution
• Electron-deficient atom, e.g.
• Particle
• It may be positive or negative
• Euripides tragedy
• It's always charged