Oxygen and Potassium's Date

This is a chemistry pun. Oxygen's symbol is O and potassium's is K. OK is also a common term meaning something is acceptable.

• Oxygen
• Potassium
• Relationship
• Atom
• Date
• Chemistry

• I heard oxygen and magnesium were dating, and I was like, "OMg!"
• I told a chemistry joke once. There was no reaction.
• I was gonna tell you a sodium joke, but Na, only I thought it was so dium funny.
• Q: What did one atom say to the other? A: I have my ion you.