What type of bond is formed between the oxygen atom of one water molecule and the hydrogen atom of another water molecule?

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins