No you couldn't. Anyway you don't even understand what atheism is (I suggest you start here
http://en.wikipedia.org/wiki/Atheism). To understand my position, consider this: if I told you there was an invisible shoehorn floating behind Saturn, would you believe me? No. Could you prove it false? No. Does your not believing me therefore constitute an act of faith? No. Because there is a fucking difference between 'rejection of belief in X' and 'assertion of Not X'. Every claim I've heard people make about God is unverifiable, just like the claim I made about the invisible shoehorn. I believe in God just as much as I believe in invisible shoehorns behind Saturn. I mean, at least invisible shoehorns don't have the capacity to perform miracles.