Even on a human scale your computer monitor and you have some gravitational attraction, but you don't notice it or your cell phone and your wallet, there is some gravitational attraction, but you don't see them drawn to each other the way you might see 2 magnets drawn to each other or repelled from each other. and if you go even for a smaller scale you see that it matters even less, we don even talk about gravity in chemistry, although the gravity is there. but at those scales the other forces really start to dominate 