You're asking about a binary compound made from potassium (K) and oxygen (O). To figure out the number of atoms of each element, we need to know the specific compound. Here's why:

Potassium and Oxygen Form Different Compounds

Potassium and oxygen can combine in different ways, resulting in different compounds with varying ratios of potassium and oxygen atoms. Here are two common examples:

* Potassium Oxide (K₂O): This compound has two potassium atoms (K) and one oxygen atom (O).

* Potassium Superoxide (KO₂): This compound has one potassium atom (K) and two oxygen atoms (O).

To Determine the Number of Atoms:

1. Know the Compound's Formula: You need to know the chemical formula of the binary compound. For example, K₂O or KO₂.

2. Subscripts Indicate the Number: The subscripts in the formula tell you how many atoms of each element are present in the compound.

Let me know the specific binary compound you're interested in, and I can tell you the number of potassium and oxygen atoms!