This is science what about this one? according to modern atomic theory, can't move from one energy
level to another.

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.

a) the particles of the chair are strongly held together.