There are many chemistry pick-up lines, including, "Are you made of copper and tellurium? Because you are Cu-Te." Another pick-up line is, "You're hotter than a Bunsen burner set to full power."
"I've got my ion you, baby!" Is another pick-up line for chemists. There is also, "Do you have 11 protons? 'Cause you're sodium fine!" and, "If I could rearrange the periodic table, I'd put uranium and iodine together." Another clever line is, "According to the second law of thermodynamics, you're supposed to share your hotness with me." Yet another is, "You must be the one for me, since my selectively permeable membrane let you through."