Assertion: metal's electron | /r/CapableOf | form a gas of nearly free electrons
Facets:
value: in the metallic bond
type: LOCATION
Source sentences:
text: The electrical and thermal conductivity of metals originate from the fact that in the metallic bond, the outer electrons of the metal atoms form a gas of nearly free electrons, moving as an electron gas in a background of positive charge formed by the ion cores.