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i) The melting point increases from A to C this is due to increase in number delocalized electron
hence increase in the strength of metallic bond.
ii) D forms a giant structure with strong covalent bonds. Hence high melting.
iii) It exhibits allstrophy that is,may exist as two different form in the same state.
iv) C2 (so4)3
v) Noble gases or inert
-Used in filament bulbs
-Used to produce an inert atmosphere in high temperature processes for example, welding.
vi)-C is amphoteric oxide
-F acidic it is non –metal oxide.
maurice.mutuku answered the question on October 22, 2019 at 06:43
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