The Group 0 - Inert Gases group are all (exc. Radon) highly unreactive, and so don't chemcially combine with other elements.
Oxygen is the element that can combine with almost all other elements.
Uranium combine with the majority of other elements; also uranium has alloys with the majority of metals.
Neon has completely filled orbitals. It is chemically inert and does not combine with other elements.
No. helium is chemically inert and does not combine with other elements.
nuclear fusion
fusion
Yes
yes it does
Yes it can
inertness, non-reactivity
Anything that is not a noble gas will combine with chlorine.
No. Halogens combine readily with sodium