Related Clues:

• Negatively charged ion
• One's charged -- soon one will get locked up
• F-, H- or I-, but not G-
• Cation's opposite
• It's repelled by a cathode
• Atom with an electronic imbalance
• Bit of chloride, as found in the body
• Hydroxide, e.g
• I-, for one
• The chloride in sodium chloride, e.g
• Oxide, e.g