Two or more atoms<span> may </span>bond<span> with each other to form a molecule. When two hydrogens and an oxygen share electrons via covalent </span>bonds<span>, a water molecule is formed. Chemical reactions </span>occur<span> when two or more </span>atoms bond<span> together to form molecules or when bonded </span>atoms are broken<span> apart.</span>
The electromagnetic force is attractive for unlike charges and repulsive for like charges
XX is female and X,Y is male so the answer is
XX, XY, XX, XY, XY, XX