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21 July, 19:42

Aluminum is a metallic element with 3 valence

electrons. What is its oxidation number?

+3
Answers (1)
  1. 21 July, 20:11
    0
    The neutral atoms of the element have an oxidation number of 0. When the atoms loose their three valence electrons to form ions they then have an oxidation number of + 3
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