Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: Iodine heptafluoride, nke a makwaara dị ka iodine ((VII) fluoride ma ọ bụ iodine fluoride, bụ interhalogen compound na usoro kemịkal IF7. O nwere ihe owuwu pentagonal bipyramidal na-adịghị ahụkebe, dị ka amụma nke VSEPR. Molekụl ahụ nwere ike inwe nhazi nke a na-akpọ usoro Bartell, nke yiri usoro Berry mana maka usoro heptacoordinated.  Ajụjụ: Gịnị bụ ọdịdị nke iodine heptafluoride n'ihe gbasara VSEPR theory?
ụlọ pentagonal bipyramidal