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Aluminum Fluoride Formula
今有求铝与氟化物之化学式,需详究二者化合之理。铝者,金属元素也,其常见化合价为 +3 价。氟化物中,氟元素化合价常为 -1 价。
依化合物中正负化合价代数和为零之规则,欲使铝与氟化物化合后呈电中性,则需 1 个铝原子与 3 个氟原子结合,如此正负化合价代数和为:\(( + 3)+(-1)\times3 = 0\)。
故铝与氟化物之化学式为 \(AlF_{3}\) ,此式精准表述铝与氟化合之构成比例,于化学研习及相关实践中至为关键。
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