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Ionic Formula For Aluminum Fluoride
铝氟化之离子式,关乎化学之理。铝者,常见化合价为正三价;氟者,常见化合价为负一价。
于化合物中,各元素化合价代数和为零。欲得铝氟化物之离子式,需使铝与氟化合价相互平衡。以铝离子$Al^{3 + }$与氟离子$F^{ - }$结合,为达化合价代数和为零,需三个氟离子与一个铝离子结合。
故铝氟化物之离子式为$AlF_{3}$ 。此式精准表出铝与氟于化合物中之比例关系,乃化学研究与应用中甚为关键之基础。
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