How is the movement of the electrons different when two atoms are close?

When you move atoms toward each other, the electrons move around between the two atoms. When you try to move the atoms two close, their positive nuclei repel each other.

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.