Okay kiddo, let's talk about potassium nonahydridorhenate. First, do you know what potassium is? It's a type of chemical element that's represented by the symbol "K" on the periodic table.
Now, let's talk about "nonahydridorhenate." This is a big word, but we can break it down into smaller parts. "Nona" means nine, "hydro" means water or hydrogen, and "rhenate" is a combination of the metal element rhenium and oxygen. So, potassium nonahydridorhenate is a chemical compound made up of potassium and nine hydrogen atoms attached to a rhenium and oxygen complex.
This compound is used in some scientific experiments and research because it can act as a reducing agent, which means it helps remove oxygen from other chemicals. It's also used in some industrial processes to help purify certain materials.
So, to sum it up, potassium nonahydridorhenate is a chemical compound made up of potassium, hydrogen, and a rhenium and oxygen complex. It's used in science and industry for various purposes, such as reducing other chemicals and purifying materials.