Hydrogen atoms are close together. The electron from each atom feels the attraction from the proton in the nucleus of the other atom. This attraction pulls the atoms together and the electrons are ...

Elements bond in fixed ratios and so can be represented by a chemical formula. For example, sodium chloride ... is always made from twice the number of hydrogen atoms as oxygen atoms, so it ...

Using sound to explore hydrogen bond dynamics during protein folding ... and combinations of frequencies to understand speech, for example." A protein spends most of its time in the folded state ...

Researchers at Ruhr University Bochum, Germany, have shed light on the structure of supercritical water. In this state, which ...