Aluminum reacts with a second element, which we will represent by the symbol E, to form a compound whose formula is AlE₃. Element E is most probably

Name: Aluminum reacts with a second element, which we will represent by the symbol E, to form a compound whose formula is AlE 3 . Element E is most probably
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The formula AlE₃ suggests that element E forms a -1 charge to balance the +3 charge of aluminum. Halogens typically form -1 ions, making them the most likely candidates for element E.

Aluminum Reacts with a Second Element, Which We Will Represent