Rutherfordium (Rf) is a synthetic element, meaning it doesn't occur naturally and is created in labs. It's a radioactive element with a very short half-life. This makes it incredibly difficult to study its chemical properties, including its tendency to combine with other elements.

However, based on its position in the periodic table (group 4, same group as titanium, zirconium, and hafnium), scientists *predict* that rutherfordium would:

* Form compounds with similar characteristics to those of the other group 4 elements. These elements are known to form stable compounds with halogens (like chlorine and bromine) and oxygen.

* Exhibit metallic behavior. Like the other group 4 elements, rutherfordium is expected to be a dense, hard metal.

But, it's important to remember:

* Due to its short half-life and extreme radioactivity, studying rutherfordium's chemical properties is very challenging.

* There's no direct experimental evidence confirming these predictions about its behavior.

So, while rutherfordium is *predicted* to combine with other elements, the extent to which it does and the nature of its compounds are still under investigation.