 Okay, let's do this one. Which symbol is incorrect for the following elements? So getting potassium. Yes, okay, so What should it be? Not P, but K, K, right? What is P? That's the other question I want to ask. Yeah, so P is What's the incorrect thing? I mean now it's correct. Okay, any questions on that one? So what does that mean? You got to know which elements are which, especially the common, okay?