The atoms bond because there is a strong enough attraction in both directions and room for the electrons in the outer energy level of the atoms. When two hydrogen atoms and an oxygen atom get close ...

So, when an atom in a crystal lattice array is prepared ... For this study, the researchers focused on isolating four energy levels in strontium atoms, arranged in either one-dimensional (1D ...

The reaction releases a lot of heat as the ionic compound sodium chloride is formed. A sodium and chlorine atom are near each other. An electron from each atom feels the attraction from the other atom ...